EOS Med Chem Impurity Stock-1014

EOS Med Chem is specialize in the custom synthesis of complex organic compounds for use as reference standards by the bio-medical and pharmaceutical industries around the world.

Every compound EOS Med Chem produced is accompanied by one of the most extensive and complete certificate of analysis (COA) in the industry including HPLC, NMR, MS, IR, EA, water content, residual solvents and Assay.

EOS Med Chem currently offers over 56,500 certified reference standards from stock and we add approximately 20000 new standards yearly. Our product line includes Active Pharmaceutical Ingredients (API), drug impurities and metabolite standards, as well as their stable isotope labelled analogues and amino acid/peptide drug standards.

Welcome to EOS Med Chem Youtube: https://youtu.be/r5cJdXKNXHk 

FDA New, GMP Do

Clinical Phase II, III Intermediates

GMP Custom synthesis, Full Document

R&D Center: 8000 sq, More than 100 hoods

Pilot Plant: 20000sq, 40 reactors from 5-200L

Manufacturing Site: 800000sq, 40 reactors from 100-5000L

Web: www.eosmedchem.com

Email: info@eosmedchem.com; eosmedchem@gmail.com

Name: Gefitinib Impurity 16, CAS: 48152-09-6, stock 8.7g, assay 98.3%, Formula C11H22N2O2, Molecular Weight 214.31.

Name: Aloe Emodin, CAS: 481-72-1, stock 4.5g, assay 98.4%, Formula C15H10O5, Molecular Weight 270.24.

Name: Furosemide EP Impurity A, CAS: 4818-59-1, stock 4.9g, assay 97.8%, Formula C12H11ClN2O5S, Molecular Weight 330.74.

Name: Noribogaine-d4, CAS: 481-88-9 (non-labelled), stock 2.8g, assay 97.8%, Formula C19H20D4N2O, Molecular Weight 300.44.

Name: Epinephrine Impurity 8, CAS: 4821-00-5, stock 5.8g, assay 98.8%, Formula C9H9NO2, Molecular Weight 163.18.

Name: Isothipendyl, CAS: 482-15-5, stock 4.7g, assay 97.7%, Formula C16H19N3S, Molecular Weight 285.41.

Name: Rivaroxaban Impurity 87, CAS: 482305-98-6, stock 4.2g, assay 97.6%, Formula C18H20ClN3O4S, Molecular Weight 409.89.

Name: Isoquercetin (Quercetin 3-O-beta-D-Glucoside), CAS: 482-35-9, stock 1.7g, assay 97.4%, Formula C21H20O12, Molecular Weight 464.38.

Name: Hyperoside, CAS: 482-36-0, stock 9g, assay 97.4%, Formula C21H20O12, Molecular Weight 464.38.

Name: Afzelin, CAS: 482-39-3, stock 4.7g, assay 98.6%, Formula C21H22O10, Molecular Weight 434.4.

Name: Imperatorin, CAS: 482-44-0, stock 2.8g, assay 98%, Formula C16H14O4, Molecular Weight 270.28.

Name: Valsartan Impurity 8, CAS: 482577-59-3, stock 5.3g, assay 98.1%, Formula C20H22N2O2, Molecular Weight 322.41.

Name: Papaverine EP Impurity B (Papaverinol), CAS: 482-76-8, stock 7.8g, assay 98.8%, Formula C20H21NO5, Molecular Weight 355.39.

Name: Clocortolone, CAS: 4828-27-7, stock 9g, assay 98.2%, Formula C22H28ClFO4, Molecular Weight 410.92.

Name: Reserpine impurity 7, CAS: 482-85-9, stock 1.3g, assay 98.3%, Formula C33H40N2O9, Molecular Weight 608.69.

Name: Raubasine, CAS: 483-04-5, stock 7.1g, assay 98.6%, Formula C21H24N2O3, Molecular Weight 352.44.

Name: Corynantheine, CAS: 483-10-3, stock 5.9g, assay 98.9%, Formula C21H26N2O3, Molecular Weight 354.45.

Name: Corynantheine, CAS: 483-10-3, stock 1.7g, assay 97.4%, Formula C21H26N2O3, Molecular Weight 354.45.

Name: Rotundine, CAS: 483-14-7, stock 6.4g, assay 98.7%, Formula C21H25NO4, Molecular Weight 355.44.

Name: Vitamin K1 Related Compound 3 (Phthiocol), CAS: 483-55-6, stock 1.7g, assay 98.3%, Formula C11H8O3, Molecular Weight 188.18.

Name: Crotamiton (cis/trans Mixture), CAS: 483-63-6, stock 1.6g, assay 98.6%, Formula C13H17NO, Molecular Weight 203.29.

Name: Cadalin, CAS: 483-78-3, stock 6.6g, assay 98.6%, Formula C15H18, Molecular Weight 198.31.

Name: Hexyl biguanide HCl, CAS: 4838-52-2, stock 5.2g, assay 98.7%, Formula C8H19N5. HCl, Molecular Weight 185.28 36.46.

Name: 1,7-Dimethylphenanthrene, CAS: 483-87-4, stock 2.6g, assay 98%, Formula C16H14, Molecular Weight 206.29.

Name: 1-N-methyl-5-fluorouracil, CAS: 4840-69-1, stock 8.5g, assay 98.8%, Formula C5H5FN2O2, Molecular Weight 144.11.

Name: Osthole, CAS: 484-12-8, stock 6g, assay 98.4%, Formula C15H16O3, Molecular Weight 244.29.

Name: Ophthazin, CAS: 484-23-1, stock 5.9g, assay 97.4%, Formula C8H10N6 . H2O4S, Molecular Weight 190.21 98.08.

Name: Fenoxazoline, CAS: 4846-91-7, stock 9.3g, assay 98.7%, Formula C13H18N2O, Molecular Weight 218.3.

Name: Cytisine, CAS: 485-35-8, stock 8.4g, assay 98.5%, Formula C11H14N2O, Molecular Weight 190.25.

Name: Cytisine-d4, CAS: 485-35-8 (non-d), stock 3.4g, assay 97.6%, Formula C11H10N2OD4, Molecular Weight 194.27.

Name: Calcium 2-Hydroxy-4-(Methylthio)Butyrate, CAS: 4857-44-7, stock 5.6g, assay 99%, Formula 2 C5H9O3S. Ca, Molecular Weight 2 149.19 40.08.

Name: Flavopereirine, CAS: 486-18-0, stock 2.7g, assay 98.1%, Formula C17H14N2, Molecular Weight 246.31.

Name: Coclaurine, CAS: 486-39-5, stock 9.3g, assay 97.4%, Formula C17H19NO3, Molecular Weight 285.35.

Name: Sitagliptin EP Impurity B HCl (Sitagliptin Defluoro Impurity 6 HCl), CAS: 486459-70-5, stock 7.6g, assay 97.8%, Formula C16H16F5N5O. HCl, Molecular Weight 389.33 36.46.

Name: (R)-Sitagliptin Defluoro Impurity 4, CAS: 486459-98-7, stock 1.8g, assay 98.6%, Formula C15H19F2NO4, Molecular Weight 315.32.

Name: Sitagliptin Impurity 19 ((R)-Sitagliptin N-Boc-Acid Impurity), CAS: 486460-00-8, stock 4.4g, assay 98.8%, Formula C15H18F3NO4, Molecular Weight 333.31.

Name: Sitagliptin Impurity 18 (Sitagliptin N-Boc Impurity), CAS: 486460-23-5, stock 8g, assay 98.2%, Formula C21H23F6N5O3, Molecular Weight 507.44.

Name: Sitagliptin, CAS: 486460-32-6, stock 9.9g, assay 98.9%, Formula C16H15F6N5O, Molecular Weight 407.32.

Name: Sitagliptin-d4, CAS: 486460-32-6 (non-d), stock 2.5g, assay 97.9%, Formula C16H11F6N5OD4, Molecular Weight 411.35.

Name: Disalicylide, CAS: 486-58-8, stock 7g, assay 99%, Formula C14H8O4, Molecular Weight 240.22.

Name: 伪-isolupanine, CAS: 486-87-3, stock 7.3g, assay 99%, Formula C15H24N2O, Molecular Weight 248.37.

Name: Mefenamic Acid EP Impurity E, CAS: 4869-11-8, stock 7.1g, assay 98.1%, Formula C14H15N, Molecular Weight 197.28.

Name: Elemicin, CAS: 487-11-6, stock 5.3g, assay 98.9%, Formula C13H18O2, Molecular Weight 206.29.

Name: Beta-Nicotyrine, CAS: 487-19-4, stock 2g, assay 97.5%, Formula C10H10N2, Molecular Weight 158.2.

Name: Propafenone EP Impurity H, CAS: 487-26-3, stock 6.3g, assay 98.5%, Formula C15H12O2, Molecular Weight 224.26.

Name: (+)-Pinoresinol, CAS: 487-36-5, stock 7.8g, assay 98.9%, Formula C20H22O6, Molecular Weight 358.39.

Name: Salicylglycine, CAS: 487-54-7, stock 7.4g, assay 97.1%, Formula C9H9NO4, Molecular Weight 195.17.

Name: Rebamipide Impurity 3 HCl, CAS: 4876-14-6, stock 9.8g, assay 98.9%, Formula C12H12N2O3. HCl, Molecular Weight 232.24 36.46.

Name: Hydrochlorothiazide Impurity 3, CAS: 4878-36-8, stock 8.3g, assay 98.1%, Formula C5H5ClN4O2, Molecular Weight 188.57.

Name: Porphobilinogen, CAS: 487-90-1, stock 5.8g, assay 97.5%, Formula C10H14N2O4, Molecular Weight 226.23.

Name: Porphobilinogen-13C3, CAS: 487-90-1 (non-d), stock 8.3g, assay 98.5%, Formula C10H14N2O4, Molecular Weight 229.2.

Name: Vinpocetine Impurity 3 ((-)-Vincamone)), CAS: 4880-88-0, stock 5.7g, assay 98.3%, Formula C19H22N2O, Molecular Weight 294.4.

Name: cis-Apovincamine, CAS: 4880-92-6, stock 4.6g, assay 98.9%, Formula C21H24N2O2, Molecular Weight 336.44.

Name: Citalopram Impurity 15, CAS: 488787-59-3, stock 2.2g, assay 97.9%, Formula C20H23FN2O2, Molecular Weight 342.41.

Name: Rosuvastatin Impurity 65, CAS: 488798-37-4, stock 1.5g, assay 97.2%, Formula C15H15FN2O3, Molecular Weight 290.29.

Name: 4-Hydroxy estrone 1-N3-Adenine, CAS: 488841-24-3, stock 2.4g, assay 97.8%, Formula C23H25N5O3, Molecular Weight 419.49.

Name: Sulbactam Impurity 6, CAS: 4888-97-5, stock 2.1g, assay 98.4%, Formula C8H12N2O4S, Molecular Weight 232.25.

Name: Clocortolone Caproate, CAS: 4891-71-8, stock 8.2g, assay 97.9%, Formula C28H38ClFO5, Molecular Weight 509.06.

Name: Guaiol, CAS: 489-86-1, stock 3g, assay 98%, Formula C15H26O, Molecular Weight 222.37.

Name: Guaiol-13C-d3, CAS: 489-86-1 (non-labelled), stock 9.8g, assay 98.3%, Formula 13C C14H23D3O, Molecular Weight 226.38.

Name: L-Epicatechin, CAS: 490-46-0, stock 9.4g, assay 97%, Formula C15H14O6, Molecular Weight 290.28.

Name: Mesalazine (Mesalamine) EP Impurity G, CAS: 490-79-9, stock 3.7g, assay 98%, Formula C7H6O4, Molecular Weight 154.12.

Name: Thiamine EP Impurity D (Oxo Thiamine), CAS: 490-82-4, stock 2.8g, assay 97.1%, Formula C12H16N4O2S, Molecular Weight 280.35.

Name: Norepinephrine Impurity 21 (Noradrenochrome), CAS: 490-89-1, stock 4.1g, assay 98.6%, Formula C8H7NO3, Molecular Weight 165.15.

Name: (脗卤)-Isomenthone, CAS: 491-07-6, stock 8.8g, assay 97.1%, Formula C10H18O, Molecular Weight 154.25.

Name: Nicotine EP Impurity E (Mixture of Diastereomers), CAS: 491-26-9, stock 1.7g, assay 97.3%, Formula C10H14N2O, Molecular Weight 178.24.

Name: Nicotine-1'-Oxide-d3 (Mixture of Diastereomers), CAS: 491-26-9 (non-labelled), stock 1.9g, assay 98.3%, Formula C10H11N2OD3, Molecular Weight 181.25.

Name: 4-Quinazolinone, CAS: 491-36-1, stock 5.6g, assay 98.3%, Formula C8H6N2O, Molecular Weight 146.15.

Name: Phloroglucide , CAS: 491-45-2, stock 5.7g, assay 98.4%, Formula C12H10O5, Molecular Weight 234.21.

Name: Luteolin, CAS: 491-70-3, stock 6.1g, assay 97.9%, Formula C15H10O6, Molecular Weight 286.24.

Name: Eliglustat Impurity 1, CAS: 491833-27-3, stock 7.1g, assay 98.4%, Formula C23H30N2O4, Molecular Weight 398.5.

Name: Eliglustat Impurity 10, CAS: 491833-28-4, stock 8.1g, assay 97.5%, Formula C15H22N2O3, Molecular Weight 278.35.

Name: Eliglustat Impurity 7, CAS: 491833-30-8, stock 5g, assay 99%, Formula C24H38N2O4, Molecular Weight 418.58.

Name: Eliglustat Impurity 8, CAS: 491833-31-9, stock 5.1g, assay 97.6%, Formula C25H40N2O4, Molecular Weight 432.61.

Name: Doripenem Impurity  1, CAS: 491878-07-0, stock 8.3g, assay 97.9%, Formula C30H34N6O12S2, Molecular Weight 734.77.

Name: Temozolomide Impurity 17, CAS: 4919-04-4, stock 7.6g, assay 97.3%, Formula C4H5N3O2, Molecular Weight 127.1.

Name: Caffeine Impurity 2, CAS: 4921-49-7, stock 8.2g, assay 98.2%, Formula C8H9ClN4O2, Molecular Weight 228.64.

Name: Loxoprofen Impurity 25, CAS: 492-37-5, stock 6.8g, assay 97.5%, Formula C9H10O2, Molecular Weight 150.18.

Name: 2-Phenyl Acrylic Acid (Ipratropium  Bromide EP Impurity D), CAS: 492-38-6, stock 1.4g, assay 98.6%, Formula C9H8O2, Molecular Weight 148.16.

Name: Ipratropium Bromide EP Impurity D (2-Phenyl Acrylic Acid), CAS: 492-38-6, stock 5.2g, assay 98.9%, Formula C9H8O2, Molecular Weight 148.16.

Name: Bosutinib Impurity 1, CAS: 492444-39-0, stock 6g, assay 98.9%, Formula C19H23ClN4O2, Molecular Weight 374.87.

Name: Ribavirin EP Impurity C, CAS: 4928-87-4, stock 5.6g, assay 97.9%, Formula C3H3N3O2, Molecular Weight 113.08.

Name: Ribavirin Impurity 1, CAS: 4928-88-5, stock 4.5g, assay 97%, Formula C4H5N3O2, Molecular Weight 127.1.

Name: Tavaborole Impurity 3, CAS: 493035-82-8, stock 1.8g, assay 97.3%, Formula C7H9BO3, Molecular Weight 151.96.

Name: Chromane, CAS: 493-08-3, stock 3.2g, assay 98.5%, Formula C9H10O, Molecular Weight 134.18.

Name: rac-5, 7--Dimethyltocol, CAS: 493-35-6, stock 5g, assay 98.4%, Formula C28H48O2, Molecular Weight 416.69.

Name: Protolichesterinic Acid, CAS: 493-46-9, stock 6.8g, assay 98.6%, Formula C19H32O4, Molecular Weight 324.46.

Name: Nifuratel, CAS: 4936-47-4, stock 2.3g, assay 98.1%, Formula C10H11N3O5S, Molecular Weight 285.27.

Name: Neostigmine Impurity 6, CAS: 4939-59-7, stock 9.5g, assay 97.8%, Formula C12H17N3O3, Molecular Weight 251.29.

Name: Ethyl  Maltol, CAS: 4940-11-8, stock 4.2g, assay 97.4%, Formula C7H8O3, Molecular Weight 140.14.

Name: Ethyl Maltol-d5, CAS: 4940-11-8 (non-labelled), stock 4.1g, assay 98.1%, Formula C7H3D5O3, Molecular Weight 145.17.

Name: Clomipramine HCl EP Impurity E, CAS: 494-19-9, stock 6.3g, assay 98.3%, Formula C14H13N, Molecular Weight 195.27.

Name: Carbamazepine EP Impurity E, CAS: 494-19-9, stock 6.8g, assay 98.4%, Formula C14H13N, Molecular Weight 195.27.

Name: Dyclonine Impurity 6, CAS: 4945-48-6, stock 10g, assay 98.6%, Formula C9H19N, Molecular Weight 141.26.

Name: Umeclidinium Bromide Impurity 9 DiHCl, CAS: 494778-36-8 (free base), stock 9.8g, assay 97.4%, Formula C18H32N2O4. 2 HCl, Molecular Weight 340.47 2 36.46.

Name: Penflufen, CAS: 494793-67-8, stock 6.8g, assay 98.8%, Formula C18H24FN3O, Molecular Weight 317.41.

Name: 3-Oxo-pentanoic-5,5,5 acid ethyl ester, CAS: 4949-44-4, stock 1.3g, assay 97.2%, Formula C7H12O3, Molecular Weight 144.17.

Name: (S)-Nornicotine, CAS: 494-97-3, stock 9.8g, assay 98.7%, Formula C9H12N2, Molecular Weight 148.21.

Name: Butyrophenone, CAS: 495-40-9, stock 3.8g, assay 97.8%, Formula C10H12O, Molecular Weight 148.21.

Name: Estradiol Impurity 8, CAS: 4954-14-7, stock 3.5g, assay 98.1%, Formula C20H28O2, Molecular Weight 300.44.

Name: Esomeprazole Impurity 24, CAS: 49559-83-3, stock 8.6g, assay 97.5%, Formula C8H7NO2S, Molecular Weight 181.21.

Name: (S)-beta-Bisabolene, CAS: 495-61-4, stock 6g, assay 97.4%, Formula C15H24, Molecular Weight 204.36.

Name: Fenofibrate, CAS: 49562-28-9, stock 5.8g, assay 98%, Formula C20H21ClO4, Molecular Weight 360.83.

Name: Estradiol Enanthate, CAS: 4956-37-0, stock 2.9g, assay 98.3%, Formula C25H36O3, Molecular Weight 384.56.

Name: Butropine HCl, CAS: 495-80-7 (free base), stock 3.3g, assay 97.8%, Formula C12H21NO2. HCl, Molecular Weight 211.31 36.46.

Name: Valtropine HCl, CAS: 495-82-9 (free base), stock 3.6g, assay 99%, Formula C13H23NO2. HCl, Molecular Weight 225.33 36.46.

Name: Amlodipine Impurity 31, CAS: 496024-43-2, stock 3.7g, assay 97.5%, Formula C20H22ClNO5, Molecular Weight 391.85.

Name: Linezolid Impurity 41, CAS: 496031-56-2, stock 4.5g, assay 97.2%, Formula C16H19FN2O5, Molecular Weight 338.34.

Name: Linezolid Impurity 62, CAS: 496031-57-3, stock 2.8g, assay 98.9%, Formula C14H16ClFN2O3, Molecular Weight 314.74.

Name: 2-Ethyl-3-hydroxyhexanal, CAS: 496-03-7, stock 5.3g, assay 97.3%, Formula C8H16O2, Molecular Weight 144.21.

Name: 2,4-Dinitro-L-Phenylalanine, CAS: 49607-21-8, stock 8.9g, assay 97.7%, Formula C9H9N3O6, Molecular Weight 255.19.

Name: Trientine-d4 4HCl (Triethylenetetramine-d4 4HCl), CAS: 4961-40-4 (non-labelled), stock 5.9g, assay 97.3%, Formula C6H14N4D4. 4 HCl, Molecular Weight 150.26 4 36.46.

Name: Thiamine EP Impurity B Chloride HCl (2-Nor Thiamine Chloride HCl), CAS: 49614-72-4, stock 9.1g, assay 98.5%, Formula C11H15N4OS. Cl. HCl, Molecular Weight 251.33 35.45 36.46.

Name: Robustaflavone, CAS: 49620-13-5, stock 6.4g, assay 98.2%, Formula C30H18O10, Molecular Weight 538.47.

Name: Tenofovir Impurity 90, CAS: 49622-08-4, stock 6.1g, assay 98.7%, Formula C4H8ClNO2, Molecular Weight 137.56.

Name: Sulindac EP Impurity C (Sulindac Sulfide), CAS: 49627-27-2, stock 1.2g, assay 97.4%, Formula C20H17FO2S, Molecular Weight 340.42.

Name: Glycoluril, CAS: 496-46-8, stock 6.2g, assay 97.2%, Formula C4H6N4O2, Molecular Weight 142.12.

Name: 4-(difluoromethyl)aniline HCl, CAS: 49658-26-6 (free base), stock 1.4g, assay 98.3%, Formula C7H7F2N. HCl, Molecular Weight 143.14 36.46.

Name: 3-Hydroxy-2-pyrone, CAS: 496-64-0, stock 8.7g, assay 98.4%, Formula C5H4O3, Molecular Weight 112.08.

Name: Bromisoval, CAS: 496-67-3, stock 4.9g, assay 98.4%, Formula C6H11BrN2O2, Molecular Weight 223.07.

Name: L-Lysine S-(Carboxymethyl)-L-Cysteine, CAS: 49673-81-6, stock 6.2g, assay 98.5%, Formula C6H14N2O2 C5H9NO4S, Molecular Weight 146.19 179.20.

Name: Fluorouracil EP Impurity B, CAS: 496-76-4, stock 7g, assay 97.2%, Formula C4H4N2O3, Molecular Weight 128.09.

Name: Eltrombopag, CAS: 496775-61-2, stock 10g, assay 98.6%, Formula C25H22N4O4, Molecular Weight 442.48.

Name: Eltrombopag Olamine, CAS: 496775-62-3, stock 5.6g, assay 97.2%, Formula C25H22N4O4 .2 C2H7NO, Molecular Weight 442.47 2 61.08.

Name: Beraprost Sodium Salt (Mixture of Diastereomers), CAS: 496807-11-5, stock 4.5g, assay 97.7%, Formula 2 C24H29O5. 2 Na, Molecular Weight 2 397.50 2 22.99.

Name: Algestone Acetonide, CAS: 4968-09-6, stock 8.6g, assay 97%, Formula C24H34O4, Molecular Weight 386.54.

Name: Cinacalcet Impurity 42, CAS: 49681-33-6, stock 4.7g, assay 98.5%, Formula C13H13NO, Molecular Weight 199.25.

Name: Dimethyl Sildenafil, CAS: 496835-35-9, stock 5.4g, assay 98.5%, Formula C23H32N6O4S, Molecular Weight 488.61.

Name: Tiglaldehyde, CAS: 497-03-0, stock 7.6g, assay 98.8%, Formula C5H8O, Molecular Weight 84.12.

Name: Epichlorohydrin Impurity 4, CAS: 497-04-1, stock 7.8g, assay 98.4%, Formula C3H7ClO2, Molecular Weight 110.54.

Name: Salmeterol-d3, CAS: 497063-94-2, stock 3.3g, assay 97.9%, Formula C25H34D3NO4, Molecular Weight 418.59.

Name: Atovaquone Impurity 2, CAS: 49708-81-8, stock 2.9g, assay 98.8%, Formula C13H15ClO2, Molecular Weight 238.71.

Name: Methoxamine Impurity 18, CAS: 49710-99-8, stock 5.1g, assay 97.1%, Formula C10H12O3, Molecular Weight 180.2.

Name: Sodium Carbonate, CAS: 497-19-8, stock 7.6g, assay 98.1%, Formula Na2CO3, Molecular Weight 60.01 2 22.99.

Name: Cenicriviroc, CAS: 497223-25-3, stock 8.5g, assay 98.8%, Formula C41H52N4O4S, Molecular Weight 696.96.

Name: 2-Oxazolidone, CAS: 497-25-6, stock 2.8g, assay 97.6%, Formula C3H5NO2, Molecular Weight 87.08.

Name: Garamine, CAS: 49751-51-1, stock 5.2g, assay 98.2%, Formula C13H27N3O6, Molecular Weight 321.37.

Name: Medetomidine Impurity 58, CAS: 49761-82-2, stock 4.8g, assay 98.7%, Formula C8H12N2O2, Molecular Weight 168.2.

Name: Stiripentol, CAS: 49763-96-4, stock 2.1g, assay 98.7%, Formula C14H18O3, Molecular Weight 234.3.

Name: Arbutin, CAS: 497-76-7, stock 5.7g, assay 97.5%, Formula C12H16O7, Molecular Weight 272.25.

Name: Arbutin-d4, CAS: 497-76-7 (non-labelled), stock 5.6g, assay 97.7%, Formula C12H12O7D4, Molecular Weight 276.28.

Name: 2-o-tolyloxy-propane-1,3-diol, CAS: 497-90-5, stock 8.3g, assay 98.1%, Formula C10H14O3, Molecular Weight 182.22.

Name: Pyridoxine Impurity 10 HCl, CAS: 49797-79-7, stock 5.5g, assay 97.2%, Formula C8H11NO4. HCl, Molecular Weight 185.18 36.46.

Name: Vanillyl Alcohol, CAS: 498-00-0, stock 5.9g, assay 98.2%, Formula C8H10O3, Molecular Weight 154.17.

Name: Peramivir Impurity 11, CAS: 49805-30-3, stock 7.1g, assay 97.2%, Formula C6H7NO, Molecular Weight 109.13.

Name: Azathioprine Impurity C, CAS: 49808-20-0, stock 5.4g, assay 98.2%, Formula C10H6N8S2, Molecular Weight 302.34.

Name: (R)-Lavandulol, CAS: 498-16-8, stock 2.7g, assay 98.6%, Formula C10H18O, Molecular Weight 154.25.

Name: Pomalidomide Impurity 3, CAS: 498-25-9, stock 7.7g, assay 98.7%, Formula C5H10N2O3, Molecular Weight 146.15.

Name: Dexpanthenol Impurity 3, CAS: 49831-65-4, stock 3.1g, assay 97.1%, Formula C10H19NO5, Molecular Weight 233.26.

Name: Acetylcysteine Impurity 2 (L-Cysteic Acid), CAS: 498-40-8, stock 9.1g, assay 97.6%, Formula C3H7NO5S, Molecular Weight 169.15.

Name: Tiotropium Bromide Impurity 10, CAS: 498-46-4, stock 10g, assay 98.4%, Formula C8H13NO2, Molecular Weight 155.2.

Name: Norborn-2-ene, CAS: 498-66-8, stock 7.2g, assay 98.4%, Formula C7H10, Molecular Weight 94.16.

Name: Triamcinolone Furetonide, CAS: 4989-94-0, stock 3.9g, assay 98.8%, Formula C33H35FO8, Molecular Weight 578.64.

Name: Arecaidine, CAS: 499-04-7, stock 2.1g, assay 97.7%, Formula C7H11NO2, Molecular Weight 141.17.

Name: Arecaidine-d3, CAS: 499-04-7 (non-labelled), stock 5g, assay 97.3%, Formula C7H8D3NO2, Molecular Weight 144.19.

Name: Arecaidine-13C-d3, CAS: 499-04-7 (non-labelled), stock 4.7g, assay 98.8%, Formula C19H8D3NO2, Molecular Weight 288.32.

Name: Glucoaubrietin, CAS: 499-27-4, stock 1.2g, assay 97.8%, Formula C15H21NO10S2, Molecular Weight 439.45.

Name: Glucoalyssin, CAS: 499-37-6, stock 4.1g, assay 97.2%, Formula C13H25NO10S3, Molecular Weight 451.52.

Name: Arterenone, CAS: 499-61-6, stock 4.5g, assay 97%, Formula C8H9NO3, Molecular Weight 167.16.

Name: Proparacaine, CAS: 499-67-2, stock 7.3g, assay 97.9%, Formula C16H26N2O3, Molecular Weight 294.4.

Name: Carvacrol, CAS: 499-75-2, stock 6.1g, assay 98.5%, Formula C10H14O, Molecular Weight 150.22.

Name: N-(3-Fluoro-4-methoxybenzylidene)-4-(tert-butylaminosulfonyl)aniline, CAS: 499777-83-2, stock 7.7g, assay 98.1%, Formula C18H21FN2O3S, Molecular Weight 364.44.

Name: 17-Beta-Estradiol-3-O-Sulfate Sodium, CAS: 4999-79-5, stock 6.6g, assay 98.4%, Formula C18H23O5S Na, Molecular Weight 351.45 22.99.

Name: Tulobuterol Impurity 1, CAS: 5000-66-8, stock 4.9g, assay 97.2%, Formula C8H6BrClO, Molecular Weight 233.49.

Name: Guanidine HCl, CAS: 50-01-1; 113-00-8 (free base), stock 4.1g, assay 97.2%, Formula CH5N3. HCl, Molecular Weight 59.07 36.46.

Name: Adamantane-1,3-diol, CAS: 5001-18-3, stock 2.7g, assay 97.7%, Formula C10H16O2, Molecular Weight 168.24.

Name: Metanephrine, CAS: 5001-33-2, stock 5.5g, assay 97.5%, Formula C10H15NO3, Molecular Weight 197.24.

Name: Trimethylolacetylenediureine, CAS: 5001-82-1, stock 9.5g, assay 98.4%, Formula C7H12N4O5, Molecular Weight 232.2.

Name: Dexamethasone, CAS: 50-02-2, stock 4.4g, assay 97.7%, Formula C22H29FO5, Molecular Weight 392.47.

Name: Dexamethasone-d4, CAS: 50-02-2 (non-labelled), stock 9.1g, assay 97.5%, Formula C22H25D4FO5, Molecular Weight 396.49.

Name: Fluphenazine Decanoate, CAS: 5002-47-1, stock 6.4g, assay 98.9%, Formula C32H44F3N3O2S, Molecular Weight 591.79.

Name: Rilpivirine, CAS: 500287-72-9, stock 1.6g, assay 98.5%, Formula C22H18N6, Molecular Weight 366.43.

Name: Rilpivirine Z-Isomer HCl, CAS: 500287-94-5 (free base), stock 9g, assay 97.4%, Formula C22H18N6. HCl, Molecular Weight 366.43 36.46.

Name: Trichlorobisphenol F, CAS: 500292-19-3, stock 7.7g, assay 98.6%, Formula C13H9Cl3O2, Molecular Weight 303.56.

Name: Hydrocortisone 21-Acetate, CAS: 50-03-3, stock 9.3g, assay 98.6%, Formula C23H32O6, Molecular Weight 404.51.

Name: Cortisone Acetate, CAS: 50-04-4, stock 1.6g, assay 98.1%, Formula C23H30O6, Molecular Weight 402.49.

Name: Chlorpheniramine Impurity 3, CAS: 5005-37-8, stock 1.8g, assay 97.7%, Formula C13H9ClN2, Molecular Weight 228.68.

Name: Apoatropine, CAS: 500-55-0, stock 6.8g, assay 97.8%, Formula C17H21NO2, Molecular Weight 271.36.

Name: Edoxaban Impurity 12 (1R,2R,4S), CAS: 500572-10-1, stock 9.8g, assay 98.1%, Formula C24H30ClN7O4S, Molecular Weight 548.06.

Name: Fluorouracil Impurity 4, CAS: 5006-64-4, stock 5.6g, assay 97.1%, Formula C4H7FN2O3, Molecular Weight 150.11.

Name: Metronidazole EP Impurity D, CAS: 5006-68-8, stock 8.3g, assay 98%, Formula C5H7N3O3, Molecular Weight 157.13.

Name: Metronidazole EP Impurity C, CAS: 5006-69-9, stock 8.5g, assay 97.7%, Formula C5H7N3O3, Molecular Weight 157.13.

Name: Mitomycin C, CAS: 50-07-7, stock 7.4g, assay 97.2%, Formula C15H18N4O5, Molecular Weight 334.33.

Name: Gemfibrozil Related Compound A, CAS: 500904-61-0, stock 9.9g, assay 98.2%, Formula C18H26O3, Molecular Weight 290.41.

Name: Chlorguanide (Proguanil), CAS: 500-92-5, stock 9.6g, assay 98.3%, Formula C11H16ClN5, Molecular Weight 253.74.

Name: Chlorguanide-d6 HCl, CAS: 500-92-5 (non-d), stock 7g, assay 98.9%, Formula C11H10ClN5D6.HCl, Molecular Weight 259.77 36.46.

Name: Benzylpenicillin  CP Impurity H, CAS: 500-98-1, stock 6.7g, assay 98.8%, Formula C10H11NO3, Molecular Weight 193.2.

Name: Eflornithine Lactam HCl, CAS: 501011-49-0, stock 3.7g, assay 97%, Formula C6H10F2N2O. HCl, Molecular Weight 164.16 36.46.

Name: Oxyphenonium Bromide, CAS: 50-10-2, stock 5.4g, assay 98.5%, Formula C21H34NO3. Br, Molecular Weight 348.51 79.90.

Name: Parecoxib Impurity 7, CAS: 501093-49-8, stock 4.4g, assay 97.8%, Formula C16H14N2O4S, Molecular Weight 330.36.

Name: Potassium 3-hydroxy-4-methoxybenzene-1-sulfonate, CAS: 5011-21-2, stock 5.2g, assay 97.4%, Formula C7H7KO5S, Molecular Weight 242.29.

Name: Kojic Acid, CAS: 501-30-4, stock 2.9g, assay 98.1%, Formula C6H6O4, Molecular Weight 142.11.

Name: Nortropine Impurity 2, CAS: 501-33-7, stock 6.7g, assay 98%, Formula C7H13NO, Molecular Weight 127.19.

Name: Benzylpenilloic Acid (Mixture of Diastereomers), CAS: 501-34-8, stock 2.4g, assay 98.2%, Formula C15H20N2O3S, Molecular Weight 308.4.

Name: Resveratrol, CAS: 501-36-0, stock 7.1g, assay 97.3%, Formula C14H12O3, Molecular Weight 228.25.

Name: Resveratrol-d4, CAS: 501-36-0 (non-labelled), stock 5.9g, assay 98.6%, Formula C14H8D4O3, Molecular Weight 232.27.

Name: Vitamin D2 (Ergocalciferol), CAS: 50-14-6, stock 1.9g, assay 97.3%, Formula C28H44O, Molecular Weight 396.66.

Name: Ergocalciferol (Vitamin D2)-d6, CAS: 50-14-6 (non-d), stock 2.9g, assay 98.8%, Formula C28H38OD6, Molecular Weight 402.7.

Name: Hydrocinnamic Acid, CAS: 501-52-0, stock 4.5g, assay 98.4%, Formula C9H10O2, Molecular Weight 150.18.

Name: Pregabalin Impurity PD0224377, CAS: 501665-97-0, stock 1.5g, assay 98.5%, Formula C14H25NO6, Molecular Weight 303.36.

Name: Pregabalin Impurity PD0310806, CAS: 501666-22-4, stock 7.9g, assay 98.7%, Formula C14H25NO6, Molecular Weight 303.36.

Name: 2-(1-Methylimidazole-4-yl)ethanamine, CAS: 501-75-7, stock 1.7g, assay 97.2%, Formula C6H11N3, Molecular Weight 125.17.

Name: Sulfadoxine Impurity 1 (5,6-Dimethoxypyrimidin-4-Amine), CAS: 5018-45-1, stock 4.8g, assay 97.5%, Formula C6H9N3O2, Molecular Weight 155.16.

Name: Eugenol EP Impurity D, CAS: 501-92-8, stock 5.6g, assay 98.1%, Formula C9H10O, Molecular Weight 134.18.

Name: Dihydro-N-Caffeoyl Tyramine, CAS: 501939-19-1, stock 8g, assay 98.6%, Formula C17H19NO4, Molecular Weight 301.34.

Name: Betaxolol Impurity 1 (Tyrosol), CAS: 501-94-0, stock 2.1g, assay 97.6%, Formula C8H10O2, Molecular Weight 138.17.

Name: Betaxolol Impurity 1-d4 (Tyrosol-d4), CAS: 501-94-0 (non-labelled), stock 6.9g, assay 98.4%, Formula C8H6O2D4, Molecular Weight 142.19.

Name: Corticosterone, CAS: 50-22-6, stock 6.6g, assay 98.2%, Formula C21H30O4, Molecular Weight 346.47.

Name: Corticosterone-d8, CAS: 50-22-6 (non-labelled), stock 8g, assay 97.4%, Formula C21H22O4D8, Molecular Weight 354.52.

Name: Hydrocortisone (Cortisol), CAS: 50-23-7, stock 6.5g, assay 98%, Formula C21H30O5, Molecular Weight 362.47.

Name: Cortisol-d2, CAS: 50-23-7(non-d), stock 5.5g, assay 97.3%, Formula C21H28O5D2, Molecular Weight 364.48.

Name: Prednisolone, CAS: 50-24-8, stock 2.1g, assay 98.3%, Formula C21H28O5, Molecular Weight 360.45.

Name: Fosaprepitant Impurity 24, CAS: 502537-07-7, stock 6.6g, assay 98.8%, Formula C13H12F3NO4, Molecular Weight 303.24.

Name: Lycopene, CAS: 502-65-8, stock 4.5g, assay 97.1%, Formula C40H56, Molecular Weight 536.89.

Name: Acetylsalicylic Acid Impurity 6 Sodium Salt (Sodium Methyl Parahydroxybenzoate), CAS: 5026-62-0, stock 1.7g, assay 97.3%, Formula C8H7O3. Na, Molecular Weight 151.14 22.99.

Name: Vitamin K1 Related Compound 2 (Phytone), CAS: 502-69-2, stock 5.4g, assay 97.5%, Formula C18H36O, Molecular Weight 268.49.

Name: Estriol, CAS: 50-27-1, stock 6.4g, assay 97.8%, Formula C18H24O3, Molecular Weight 288.39.

Name: Closantel EP Impurity F, CAS: 50274-07-2, stock 7.6g, assay 98.6%, Formula C21H13Cl2I2NO3, Molecular Weight 652.05.

Name: Vitamin K1 (Phytonadione) Related Compound 5, CAS: 50281-47-5, stock 1.1g, assay 98.8%, Formula C33H50O3, Molecular Weight 494.76.

Name: Estradiol, CAS: 50-28-2, stock 9.9g, assay 97.8%, Formula C18H24O2, Molecular Weight 272.39.

Name: Methylphenidate EP Impurity D, CAS: 50288-63-6, stock 6.9g, assay 97%, Formula C13H18N2O, Molecular Weight 218.3.

Name: (S)- Salbutamol ((S)-Albuterol), CAS: 50293-91-9, stock 3.5g, assay 97.8%, Formula C13H21NO3 HCl, Molecular Weight 239.32 36.46.

Name: Lidocaine Hydrochloride EP Impurity K HCl, CAS: 50295-20-0, stock 2.6g, assay 98%, Formula C13H20N2O. HCl, Molecular Weight 220.32 36.46.

Name: Vincamine Impurity 4, CAS: 50298-88-9, stock 5g, assay 98.2%, Formula C21H22N2O2, Molecular Weight 334.42.

Name: Isometheptene Impurity 1, CAS: 503-00-4, stock 7.9g, assay 97.2%, Formula C9H21N, Molecular Weight 143.27.

Name: Pantoprazole Impurity 16 HCl, CAS: 503058-51-3, stock 2.2g, assay 97.1%, Formula C7H7Cl2NO. HCl, Molecular Weight 192.04 36.46.

Name: Vilanterol Impurity 14, CAS: 503068-31-3, stock 9.1g, assay 97.9%, Formula C15H23BrO2, Molecular Weight 315.25.

Name: Vilanterol Impurity 1 Triphenylacetate, CAS: 503068-37-9 (free base), stock 5.8g, assay 98.4%, Formula C27H37Cl2NO5. C20H16O2, Molecular Weight 526.51 288.35.

Name: Vilanterol Impurity 6 Triphenylacetate, CAS: 503068-65-3 (free base), stock 6.1g, assay 97.6%, Formula C24H33Cl2NO5. C20H16O2, Molecular Weight 486.44 288.35.

Name: Vilanterol Impurity 7 Triphenylacetate, CAS: 503069-68-9 (free base), stock 1.2g, assay 97.7%, Formula C24H33Cl2NO5. C20H16O2, Molecular Weight 486.43 288.35.

Name: Vilanterol Trifenatate, CAS: 503070-58-4, stock 4.4g, assay 98.7%, Formula C24H33Cl2NO5. C20H16O2, Molecular Weight 486.44 288.35.

Name: Vilanterol Impurity 8 Triphenylacetate (S-Isomer), CAS: 503070-58-4 (R-Isomer), stock 7.8g, assay 98%, Formula C24H33Cl2NO5. C20H16O2, Molecular Weight 486.43 288.35.

Name: Vilanterol Impurity 3 Triphenylacetate, CAS: 503070-62-0 (free base), stock 3.4g, assay 98.7%, Formula C23H31Cl2NO5. C20H16O2, Molecular Weight 472.41 288.35.

Name: Azetidine, CAS: 503-29-7, stock 7.9g, assay 97.2%, Formula C3H7N, Molecular Weight 57.1.

Name: Phenylbutazone, CAS: 50-33-9, stock 2.5g, assay 97.8%, Formula C19H20N2O2, Molecular Weight 308.38.

Name: Progesterone EP Impurity D, CAS: 5035-09-6, stock 9.7g, assay 97%, Formula C23H34O3, Molecular Weight 358.52.

Name: Thalidomide, CAS: 50-35-1, stock 2.7g, assay 98%, Formula C13H10N2O4, Molecular Weight 258.24.

Name: Thalidomide-d4, CAS: 50-35-1 (non-labelled), stock 8.9g, assay 97.8%, Formula C13H6N2O4D4, Molecular Weight 262.26.

Name: Brimonidine EP Impurity B (5-Bromoquinoxaline-6-Amine), CAS: 50358-63-9, stock 6.9g, assay 98%, Formula C8H6BrN3, Molecular Weight 224.06.

Name: Imidafenacin Related Compound 5, CAS: 503598-05-8, stock 8.3g, assay 97.9%, Formula C20H21N3O3, Molecular Weight 351.41.

Name: Imidafenacin Impurity 3, CAS: 503598-07-0, stock 3.9g, assay 98.3%, Formula C18H18N2O4, Molecular Weight 326.36.

Name: Imidafenacin Related Compound 2, CAS: 503598-17-2, stock 6.1g, assay 97.7%, Formula C18H19N3O3, Molecular Weight 325.37.

Name: Imidafenacin Related Compound 6, CAS: 503598-33-2, stock 8g, assay 98%, Formula C18H21N3O, Molecular Weight 295.39.

Name: Imidafenacin Impurity 1, CAS: 503599-41-5, stock 6.5g, assay 97.8%, Formula C18H20N2O2, Molecular Weight 296.37.

Name: Ertapenem Side Chain Enantiomer 2 HCl, CAS: 503607-49-6, stock 2.8g, assay 98%, Formula C12H14N2O3S. HCl, Molecular Weight 266.32 36.46.

Name: Rosuvastatin EP Impurity D, CAS: 503610-43-3, stock 6.8g, assay 98.1%, Formula C22H26FN3O5S, Molecular Weight 463.52.

Name: Apixaban, CAS: 503612-47-3, stock 3.4g, assay 98.1%, Formula C25H25N5O4, Molecular Weight 459.51.

Name: O-Desmethyl Apixaban, CAS: 503612-76-8, stock 4g, assay 97.5%, Formula C24H23N5O4, Molecular Weight 445.48.

Name: Apixaban Impurity 9, CAS: 503614-91-3, stock 7.5g, assay 98%, Formula C27H28N4O5, Molecular Weight 488.54.

Name: Apixaban Impurity 41 (BMS-591455-01), CAS: 503614-92-4, stock 2.3g, assay 97.3%, Formula C25H24N4O5, Molecular Weight 460.49.

Name: Apixaban Impurity 19, CAS: 503615-07-4, stock 6.6g, assay 98.2%, Formula C22H22N4O4, Molecular Weight 406.44.

Name: 3-Hydroxypropionic Acid, CAS: 503-66-2, stock 7.3g, assay 97.5%, Formula C3H6O3, Molecular Weight 90.08.

Name: Paroxetine EP Impurity H HCl, CAS: 503834-41-1, stock 3.6g, assay 98.7%, Formula C19H22FNO. HCl, Molecular Weight 299.39 36.46.

Name: 1,3-Cyclohexanedione, CAS: 504-02-9 (keto form), stock 9g, assay 98.2%, Formula C6H8O2, Molecular Weight 112.13.

Name: Ametryn Impurity 1 (2,4-Diamino-1,3,5-Triazine), CAS: 504-08-5, stock 7.7g, assay 99%, Formula C3H5N5, Molecular Weight 111.11.

Name: Adiphenine HCl, CAS: 50-42-0, stock 7.4g, assay 97.7%, Formula C20H25NO2. HCl, Molecular Weight 311.43 36.46.

Name: Fampridine (Dalfampridine, 4-Aminopyridine), CAS: 504-24-5, stock 9.1g, assay 98.2%, Formula C5H6N2, Molecular Weight 94.12.

Name: Fampridine-d4 (4-Aminopyridine-d4), CAS: 504-24-5 (non-labelled), stock 9g, assay 98.1%, Formula C5H2N2D4, Molecular Weight 98.14.

Name: Dehydronitroso Nifedipine, CAS: 50428-14-3, stock 8.1g, assay 97.6%, Formula C17H16N2O5, Molecular Weight 328.33.

Name: Piroxicam EP Impurity A, CAS: 504-29-0, stock 3.5g, assay 97.4%, Formula C5H6N2, Molecular Weight 94.12.

Name: (2S, 5R)-5-Hydroxy-Pipecolic Acid, CAS: 50439-45-7, stock 3.5g, assay 98.7%, Formula C6H11NO3, Molecular Weight 145.16.

Name: Dihydrocorynantheine, CAS: 50439-68-4, stock 1.8g, assay 97.6%, Formula C22H28N2O3, Molecular Weight 368.48.

Name: Dihydrocorynantheine, CAS: 50439-68-4, stock 6.7g, assay 98.7%, Formula C22H28N2O3, Molecular Weight 368.48.

Name: 6-Mercaptopurine, CAS: 50-44-2, stock 8.3g, assay 97.1%, Formula C5H4N4S, Molecular Weight 152.18.

Name: Lamotrigine EP Impurity E (2,3-Dichlorobenzoic Acid), CAS: 50-45-3, stock 6.2g, assay 97.6%, Formula C7H4Cl2O2, Molecular Weight 191.01.

Name: Furosemide EP Impurity D, CAS: 5046-19-5, stock 2.3g, assay 97.6%, Formula C17H17N3O6S, Molecular Weight 391.4.

Name: Tirofiban Impurity 42 (1,3-Propanediol), CAS: 504-63-2, stock 4.8g, assay 97.2%, Formula C3H8O2, Molecular Weight 76.1.

Name: 1, 3-Propanediol-d6, CAS: 504-63-2 (Non-D), stock 7.8g, assay 97.4%, Formula C3H2O2D6, Molecular Weight 82.13.

Name: 1,3-Oxazolidine, CAS: 504-76-7, stock 4.3g, assay 98.5%, Formula C3H7NO, Molecular Weight 73.1.

Name: Neophytadiene, CAS: 504-96-1, stock 4.1g, assay 97.4%, Formula C20H38, Molecular Weight 278.52.

Name: Imipramine, CAS: 50-49-7, stock 3.8g, assay 97.1%, Formula C19H24N2, Molecular Weight 280.42.

Name: Imipiramine-d4, CAS: 50-49-7(non-d, stock 9.8g, assay 97.4%, Formula C19H20N2D4, Molecular Weight 284.44.

Name: Formoterol Impurity 3 HCl, CAS: 50505-80-1, stock 1.4g, assay 98.1%, Formula C10H15NO. HCl, Molecular Weight 165.24 36.46.

Name: Fenspiride, CAS: 5053-06-5, stock 8.2g, assay 97.7%, Formula C15H20N2O2, Molecular Weight 260.34.

Name: Fenspiride-d5, CAS: 5053-06-5 (non-d), stock 8.1g, assay 98.7%, Formula C15H15N2O2D5, Molecular Weight 265.37.

Name: Fenspiride HCl, CAS: 5053-08-7, stock 5.2g, assay 97.2%, Formula C15H20N2O2.HCl, Molecular Weight 260.34 36.46.

Name: 3-Hydroxy Thalidomide, CAS: 5054-59-1, stock 5g, assay 97.6%, Formula C13H10N2O5, Molecular Weight 274.24.

Name: Suberic Acid, CAS: 505-48-6, stock 5.2g, assay 97.5%, Formula C8H14O4, Molecular Weight 174.2.

Name: Reserpine, CAS: 50-55-5, stock 3.9g, assay 97.5%, Formula C33H40N2O9, Molecular Weight 608.69.

Name: Reserpine-d9, CAS: 50-55-5(unlabeled), stock 9.6g, assay 98.9%, Formula C33H31D9N2O9, Molecular Weight 617.74.

Name: Oxytocin, CAS: 50-56-6, stock 9.2g, assay 98.4%, Formula C43H66N12O12S2, Molecular Weight 1007.19.

Name: Fasudil Impurity 26, CAS: 505-66-8, stock 6.9g, assay 97.5%, Formula C5H12N2, Molecular Weight 100.17.

Name: Carteolol HCl EP Impurity A, CAS: 5057-12-5, stock 6.9g, assay 97.8%, Formula C9H11NO2, Molecular Weight 165.19.

Name: (R)-(-)-Cicutoxin, CAS: 505-75-9, stock 9.3g, assay 97.5%, Formula C17H24O2, Molecular Weight 260.38.

Name: Oxiranylmethylphosphonic Acid, CAS: 50577-86-1, stock 7.1g, assay 98.6%, Formula C3H7O4P, Molecular Weight 138.06.

Name: Vecuronium Bromide EP Impurity E, CAS: 50587-95-6, stock 8.1g, assay 98.1%, Formula C32H55N2O3. Br, Molecular Weight 515.81 79.90.

Name: Rocuronium Bromide Impurity 4, CAS: 50588-22-2, stock 4g, assay 98.3%, Formula C21H30O4, Molecular Weight 346.47.

Name: 12-Hydroxy Lauric Acid, CAS: 505-95-3, stock 8g, assay 97.4%, Formula C12H24O3, Molecular Weight 216.32.

Name: 12-Hydroxy Lauric Acid-d20, CAS: 505-95-3 (non-labelled), stock 3.9g, assay 98.6%, Formula C12H4D20O3, Molecular Weight 236.44.

Name: 2-Ethyl-2-methylsuccinic acid anhydride, CAS: 50598-33-9, stock 4.2g, assay 98.1%, Formula C7H10O3, Molecular Weight 142.15.

Name: Piribedil Impurity 1, CAS: 50602-50-1, stock 2g, assay 98.9%, Formula C15H18N4O2, Molecular Weight 286.34.

Name: Piribedil Impurity 2, CAS: 50602-51-2, stock 9.9g, assay 98.5%, Formula C16H18N4O3, Molecular Weight 314.35.

Name: Phloroglucinol-1-beta-O-Glucuronide, CAS: 50602-76-1, stock 7.9g, assay 98.7%, Formula C12H14O9, Molecular Weight 302.24.

Name: 2-tert-Butyl-5-methylamino-1,3,4-thiadiazole, CAS: 50608-12-3, stock 5.2g, assay 97.3%, Formula C7H13N3S, Molecular Weight 171.26.

Name: Progesterone EP Impurity E, CAS: 5062-62-4, stock 1.4g, assay 98.5%, Formula C23H34O3, Molecular Weight 358.52.

Name: gamma-Linolenic Acid, CAS: 506-26-3, stock 4.5g, assay 97.1%, Formula C18H30O2, Molecular Weight 278.44.

Name: Halometasone, CAS: 50629-82-8, stock 3.3g, assay 97.8%, Formula C22H27ClF2O5, Molecular Weight 444.9.

Name: Arachidonic Acid, CAS: 506-32-1, stock 8.1g, assay 97.1%, Formula C20H32O2, Molecular Weight 304.47.

Name: Chloroquine-d5 Diphosphate, CAS: 50-63-5 (non-labelled), stock 1.6g, assay 98.3%, Formula C18H21D5ClN3. 2 H3O4P, Molecular Weight 324.91 2 97.99.

Name: (9Z,12Z,15Z)-9,12,15-Octadecatrien-1-ol, CAS: 506-44-5, stock 5.6g, assay 98.6%, Formula C18H32O, Molecular Weight 264.46.

Name: Niranthin, CAS: 50656-77-4, stock 9g, assay 97.4%, Formula C24H32O7, Molecular Weight 432.52.

Name: Niclosamide, CAS: 50-65-7, stock 2.4g, assay 97%, Formula C13H8Cl2N2O4, Molecular Weight 327.12.

Name: Niclosamide-d6, CAS: 50-65-7 (non-d), stock 4.5g, assay 97.2%, Formula C13H2Cl2N2O4D6, Molecular Weight 333.16.

Name: Niclosamide-13C6, CAS: 50-65-7 (non-labelled), stock 5.1g, assay 98.6%, Formula C13H8Cl2N2O4, Molecular Weight 333.16.

Name: Metformin EP Impurity F HCl (Dimethylamine HCl), CAS: 506-59-2, stock 3.8g, assay 97.4%, Formula C2H7N. HCl, Molecular Weight 45.08 36.46.

Name: Dopamine Impurity 1, CAS: 50673-96-6, stock 7.8g, assay 98.9%, Formula C8H9NO2, Molecular Weight 151.17.

Name: Terfenadine, CAS: 50679-08-8, stock 9.3g, assay 97.1%, Formula C32H41NO2, Molecular Weight 471.69.

Name: Carbocisteine S-Isomer, CAS: 50698-76-5, stock 4g, assay 98%, Formula C5H9NO4S, Molecular Weight 179.19.

Name: Phenylephrine Impurity 7 (N-Acetyl-4-Benzoquinone Imine), CAS: 50700-49-7, stock 7.7g, assay 97.3%, Formula C8H7NO2, Molecular Weight 149.15.

Name: Vecuronium Bromide, CAS: 50700-72-6, stock 8.5g, assay 98.2%, Formula C34H57N2O4. Br, Molecular Weight 557.84 79.90.

Name: D-glucitol (D-sorbitol), CAS: 50-70-4, stock 7.9g, assay 97.2%, Formula C6H14O6, Molecular Weight 182.17.

Name: Norethindrone Impurity 3, CAS: 50717-99-2, stock 8.7g, assay 97.4%, Formula C24H32O3, Molecular Weight 368.52.

Name: tert-Butyl bromide, CAS: 507-19-7, stock 7.3g, assay 97.7%, Formula C4H9Br, Molecular Weight 137.02.

Name: Fudosteine Impurity 15 DiHCl, CAS: 50727-79-2, stock 9.8g, assay 98.5%, Formula C9H18N2O4S2. 2 HCl, Molecular Weight 282.37 2 36.46.

Name: Mannose Impurity 3, CAS: 50728-38-6, stock 2.2g, assay 98.3%, Formula C12H22O11, Molecular Weight 342.3.

Name: Ribavirin Impurity 17 (alpha-Ribofuranose tetraacetate), CAS: 50730-26-2, stock 8.8g, assay 99%, Formula C13H18O9, Molecular Weight 318.28.

Name: Anecortave Impurity 4, CAS: 50733-54-5, stock 7.3g, assay 97.1%, Formula C23H31BrO6, Molecular Weight 483.4.

Name: Ambroxol EP Impurity A, CAS: 50739-76-9, stock 8.2g, assay 97.3%, Formula C7H7Br2NO, Molecular Weight 280.95.

Name: Bromhexine EP Impurity A, CAS: 50739-76-9, stock 4.9g, assay 97.5%, Formula C7H7Br2NO, Molecular Weight 280.95.

Name: Borneol, CAS: 507-70-0, stock 5g, assay 97.9%, Formula C10H18O, Molecular Weight 154.25.

Name: Borneol-d3, CAS: 507-70-0 (non-labelled), stock 2.8g, assay 98.2%, Formula C10H15D3O, Molecular Weight 157.27.

Name: Acetylsalicylic Acid (Aspirin), CAS: 50-78-2, stock 5.6g, assay 98.4%, Formula C9H8O4, Molecular Weight 180.16.

Name: Acetylsalicylic Acid-d3 (Aspirin-d3), CAS: 50-78-2 (non-d), stock 2.5g, assay 98.1%, Formula C9H5D3O4, Molecular Weight 183.18.

Name: Acetyl-L-Carnitine Hydrochloride, CAS: 5080-50-2, stock 4.4g, assay 98.4%, Formula C9H18NO4. Cl, Molecular Weight 204.25 35.45.

Name: L-Ascorbic Acid, CAS: 50-81-7, stock 5.1g, assay 97.1%, Formula C6H8O6, Molecular Weight 176.12.

Name: L-Ascorbic Acid-13C6, CAS: 50-81-7 (non-labelled), stock 9.1g, assay 97.9%, Formula 13C6 H5O6, Molecular Weight 179.05.

Name: Venlafaxine EP Impurity A HCl (Descyclohexanol Venlafaxine HCl), CAS: 50822-98-5, stock 3g, assay 97.6%, Formula C11H17NO. HCl, Molecular Weight 179.26 36.46.

Name: Vortioxetine, CAS: 508233-74-7, stock 5.2g, assay 98.2%, Formula C18H22N2S, Molecular Weight 298.45.

Name: Vortioxetine-d8, CAS: 508233-74-7 (non-labelled), stock 4.2g, assay 97.7%, Formula C18H14N2SD8, Molecular Weight 306.5.

Name: Vortioxetine Impurity 3, CAS: 508233-82-7, stock 3.6g, assay 98.9%, Formula C17H20N2S, Molecular Weight 284.43.

Name: Furosemide EP Impurity E, CAS: 50-84-0, stock 8.4g, assay 98.3%, Formula C7H4Cl2O2, Molecular Weight 191.01.

Name: Ibudilast, CAS: 50847-11-5, stock 1.4g, assay 97.7%, Formula C14H18N2O, Molecular Weight 230.31.

Name: Glutaraldehyde 2,4-dinitrophenylhydrazone, CAS: 5085-07-4, stock 4.5g, assay 97.6%, Formula C17H16N8O8, Molecular Weight 460.36.

Name: Metoclopramide EP Impurity H, CAS: 50-86-2, stock 1.4g, assay 97%, Formula C9H9NO4, Molecular Weight 195.17.

Name: Metolazone EP Impurity A, CAS: 50869-25-5, stock 3.2g, assay 98.9%, Formula C16H16ClN3O3S, Molecular Weight 365.83.

Name: Loxoprofen Impurity 12, CAS: 50882-16-1, stock 4.1g, assay 97.3%, Formula C6H8O3, Molecular Weight 128.13.

Name: Loxoprofen Impurity 4, CAS: 50882-18-3, stock 9.4g, assay 97.4%, Formula C7H10O3, Molecular Weight 142.15.

Name: Cyclopeptine, CAS: 50886-63-0, stock 7.9g, assay 97.9%, Formula C17H16N2O2, Molecular Weight 280.33.

Name: Granisetron EP Impurity D, CAS: 50890-83-0, stock 1.9g, assay 97.3%, Formula C9H8N2O2, Molecular Weight 176.18.

Name: Clozapine EP Impurity A, CAS: 50892-62-1, stock 9g, assay 97.4%, Formula C13H9ClN2O, Molecular Weight 244.68.

Name: Thymidine, CAS: 50-89-5, stock 7g, assay 98.7%, Formula C10H14N2O5, Molecular Weight 242.23.

Name: 3-Acetyl-Ancitabine (3-Acetyl-Cyclocytidine) HCl, CAS: 50896-83-8, stock 8.3g, assay 98.1%, Formula C11H14ClN3O5, Molecular Weight 303.7.

Name: Noradrenaline (Norepinephrine) EP Impurity B HCl, CAS: 5090-29-9, stock 6.8g, assay 98.8%, Formula C8H9NO3. HCl, Molecular Weight 167.16 36.46.

Name: Valdecoxib Impurity F, CAS: 509074-26-4, stock 9.1g, assay 97.3%, Formula C16H12ClNO3S, Molecular Weight 333.79.

Name: 16,17-Dehydro Capsaicin, CAS: 509101-57-9, stock 3g, assay 97.6%, Formula C18H25NO3, Molecular Weight 303.4.

Name: Ambroxol EP Impurity C, CAS: 50910-53-7, stock 8.2g, assay 98.4%, Formula C13H16Br2N2O, Molecular Weight 376.09.

Name: Ambroxol EP Impurity C-d5, CAS: 50910-53-7 (non-labelled), stock 3g, assay 98.6%, Formula C13H11D5Br2N2O, Molecular Weight 381.12.

Name: Ambroxol Impurity 5 (trans-4-Aminocyclohexanol HCl), CAS: 50910-54-8, stock 8.6g, assay 98.4%, Formula C6H13NO. HCl, Molecular Weight 115.18 36.46.

Name: Ambroxol EP Impurity E (Bromhexine EP Impurity B), CAS: 50910-55-9, stock 1.8g, assay 98.1%, Formula C7H5Br2NO, Molecular Weight 278.93.

Name: Bromhexine Impurity B, CAS: 50910-55-9, stock 3.6g, assay 97.1%, Formula C7H5Br2NO, Molecular Weight 278.93.

Name: Metribuzin Impurity 1, CAS: 50917-20-9, stock 3.3g, assay 97.4%, Formula C8H14N4O2, Molecular Weight 198.23.

Name: Floxuridine, CAS: 50-91-9, stock 6g, assay 98.3%, Formula C9H11FN2O5, Molecular Weight 246.2.

Name: Sorbitan Monostearate, CAS: 5093-91-4, stock 7g, assay 97.1%, Formula C24H46O6, Molecular Weight 430.63.

Name: Ankaflavin, CAS: 50980-32-0, stock 4.4g, assay 97.6%, Formula C23H30O5, Molecular Weight 386.49.

Name: Indomethacin Impurity 6, CAS: 50995-53-4, stock 5.5g, assay 98.5%, Formula C11H11NO3, Molecular Weight 205.21.

Name: Indomethacin Impurity 6-d3, CAS: 50995-53-4 (non-labelled), stock 6.9g, assay 97.7%, Formula C11H8D3NO3, Molecular Weight 208.23.

Name: D-Glucose, CAS: 50-99-7, stock 5.3g, assay 98.3%, Formula C6H12O6, Molecular Weight 180.16.

Name: D-Glucose-13C6-d2, CAS: 50-99-7 (non-labelled), stock 7.6g, assay 98.1%, Formula 13C6 H10O6D2, Molecular Weight 188.1.

Name: Zolpidem Impurity 9, CAS: 51012-64-7, stock 3.5g, assay 98.7%, Formula C9H9BrO, Molecular Weight 213.07.

Name: Verapamil EP Impurity C HCl, CAS: 51012-67-0, stock 8.6g, assay 98%, Formula C12H19NO2. HCl, Molecular Weight 209.29 36.46.

Name: (1'R,2'S)-Nicotine-1'-Oxide, CAS: 51020-67-8, stock 5.7g, assay 97.1%, Formula C10H14N2O, Molecular Weight 178.24.

Name: Piperonyl Butoxide, CAS: 51-03-6, stock 5.7g, assay 98.6%, Formula C19H30O5, Molecular Weight 338.44.

Name: Flurbiprofen, CAS: 5104-49-4, stock 2.6g, assay 98.7%, Formula C15H13FO2, Molecular Weight 244.27.

Name: Flurbiprofen-13C-d3, CAS: 5104-49-4 (non-labelled), stock 8.2g, assay 98.9%, Formula 13C C14H10D3FO2, Molecular Weight 248.28.

Name: Flurbiprofen-d3, CAS: 5104-49-4 (non-labelled), stock 6.6g, assay 98.7%, Formula C15H10D3FO2, Molecular Weight 247.28.

Name: Glycopyrrolate Impurity 3 Bromide, CAS: 51052-74-5, stock 3.6g, assay 98.9%, Formula C6H14NO. Br, Molecular Weight 116.18 79.90.

Name: Procaine HCl, CAS: 51-05-8, stock 6g, assay 98.7%, Formula C13H20N2O2. HCl, Molecular Weight 236.32 36.46.

Name: Dobutamine EP Impurity C HCl, CAS: 51062-14-7, stock 3.9g, assay 97.9%, Formula C21H29NO3. HCl, Molecular Weight 343.47 36.46.

Name: 19-Hydroxy-4-androsten-3,17-dione, CAS: 510-64-5, stock 5g, assay 97.7%, Formula C19H26O3, Molecular Weight 302.42.

Name: Dienogest Impurity 1, CAS: 510-64-5, stock 6.2g, assay 97.2%, Formula C19H26O3, Molecular Weight 302.42.

Name: Gibberellin A7, CAS: 510-75-8, stock 2.5g, assay 97.1%, Formula C19H22O5, Molecular Weight 330.38.

Name: Galantamine EP Impurity A (Galantaminone), CAS: 510-77-0, stock 6.5g, assay 98.2%, Formula C17H19NO3, Molecular Weight 285.34.

Name: Levonorgestrel EP Impurity M, CAS: 51087-61-7, stock 1.5g, assay 97.4%, Formula C21H26O2, Molecular Weight 310.44.

Name: (1'S,2'S)-Nicotine 1'-Oxide, CAS: 51095-86-4, stock 1.4g, assay 97.6%, Formula C10H14N2O, Molecular Weight 178.24.

Name: (1'S,2'S)-Nicotine-1'-Oxide-d3, CAS: 51095-86-4 (non-labelled), stock 2.4g, assay 97.7%, Formula C10H11D3N2O, Molecular Weight 181.25.

Name: Bromocriptine EP Impurity B, CAS: 511-09-1, stock 4.1g, assay 97.2%, Formula C32H41N5O5, Molecular Weight 575.71.

Name: Clofedanol HCl, CAS: 511-13-7, stock 5.3g, assay 98.9%, Formula C17H20ClNO. HCl, Molecular Weight 289.80 36.46.

Name: Naproxen EP Impurity N, CAS: 5111-65-9, stock 2.9g, assay 98.6%, Formula C11H9BrO, Molecular Weight 237.1.

Name: Naproxen EP Impurity H, CAS: 5111-66-0, stock 5.9g, assay 98%, Formula C11H10O2, Molecular Weight 174.2.

Name: 1,4-dihydro-Naphthoic Acid, CAS: 5111-73-9, stock 6.1g, assay 98%, Formula C11H10O2, Molecular Weight 174.2.

Name: Sulfotemp , CAS: 51120-35-5, stock 7.1g, assay 98.4%, Formula C4H12O5P2S2, Molecular Weight 266.21.

Name: Cohumulone, CAS: 511-25-1, stock 4.6g, assay 97.2%, Formula C20H28O5, Molecular Weight 348.44.

Name: Vitamin D4, CAS: 511-28-4, stock 5.1g, assay 98.5%, Formula C28H46O, Molecular Weight 398.68.

Name: Amfenac Lactam, CAS: 51135-38-7, stock 3.8g, assay 98.9%, Formula C15H11NO2, Molecular Weight 237.26.

Name: Pridinol, CAS: 511-45-5, stock 8.3g, assay 97.1%, Formula C20H25NO, Molecular Weight 295.43.

Name: Pridinol-d5, CAS: 511-45-5 (non-labelled), stock 6.6g, assay 98.2%, Formula C20H20NOD5, Molecular Weight 300.46.

Name: 2-Hydroxyibuprofen, CAS: 51146-55-5, stock 7.8g, assay 98%, Formula C13H18O3, Molecular Weight 222.29.

Name: S-Ibuprofen, CAS: 51146-56-6, stock 7.2g, assay 98%, Formula C13H18O2, Molecular Weight 206.29.

Name: (R)-Ibuprofen, CAS: 51146-57-7, stock 9.8g, assay 97.8%, Formula C13H18O2, Molecular Weight 206.29.

Name: Pralidoxime Chloride, CAS: 51-15-0, stock 1.7g, assay 97%, Formula C7H9N2O. Cl, Molecular Weight 137.16 35.45.

Name: (S)-Mianserin, CAS: 51152-88-6, stock 4.4g, assay 98.2%, Formula C18H20N2, Molecular Weight 264.37.

Name: Caffeine Impurity 7 (Methylliberine), CAS: 51168-26-4, stock 1.8g, assay 97.1%, Formula C9H12N4O3, Molecular Weight 224.22.

Name: Phenytoin EP Impurity F, CAS: 51169-17-6, stock 3g, assay 97.7%, Formula C16H14N2O2, Molecular Weight 266.3.

Name: Octaethylene Glycol, CAS: 5117-19-1, stock 7g, assay 99%, Formula C16H34O9, Molecular Weight 370.44.

Name: Benzimidazole, CAS: 51-17-2, stock 3.9g, assay 98.7%, Formula C7H6N2, Molecular Weight 118.14.

Name: 2,3,7,8-Tetrachlorodibenzofuran, CAS: 51207-31-9, stock 1.5g, assay 97.8%, Formula C12H4Cl4O, Molecular Weight 305.96.

Name: Fluorouracil, CAS: 51-21-8, stock 7.2g, assay 97.6%, Formula C4H3FN2O2, Molecular Weight 130.08.

Name: Metolachlor-d6, CAS: 51218-45-2, stock 3.1g, assay 97.3%, Formula C15H16ClNO2D6, Molecular Weight 289.83.

Name: Salbutamol Related Compound 2, CAS: 51234-21-0, stock 5.3g, assay 97.2%, Formula C9H8O4, Molecular Weight 180.16.

Name: Albendazole Impurity 7 (Methyl Cyanocarbamate) Sodium Salt, CAS: 51234-98-1, stock 8g, assay 97.5%, Formula C3H3N2O2. Na, Molecular Weight 99.07 22.99.

Name: 5,6-monoepoxy Vitamin A, CAS: 512-39-0, stock 2.9g, assay 98.3%, Formula C20H30O2, Molecular Weight 302.46.

Name: Levothyroxine Impurity C, CAS: 51-24-1, stock 5.8g, assay 97.5%, Formula C14H9I3O4, Molecular Weight 621.94.

Name: Liothyronine EP Impurity C, CAS: 51-24-1, stock 9.1g, assay 97.6%, Formula C14H9I3O4, Molecular Weight 621.94.

Name: Salicylic Acid Impurity 13 Sodium Salt, CAS: 512-42-5, stock 2.9g, assay 98.2%, Formula CH3O4S. Na, Molecular Weight 111.10 22.99.

Name: Decitabine Impurity 1 (alpha-Isomer), CAS: 51255-17-5, stock 1.2g, assay 98.8%, Formula C6H12O4, Molecular Weight 148.16.

Name: Albendazole Impurity 16, CAS: 51276-85-8, stock 9.9g, assay 97.1%, Formula C7H7N3O, Molecular Weight 149.15.

Name: Ascaridole, CAS: 512-85-6, stock 3.9g, assay 97.3%, Formula C10H16O2, Molecular Weight 168.24.

Name: Picaridin Related Compound 1 (tert-butyl Hydrogen Carbonate), CAS: 51300-90-4, stock 6.4g, assay 99%, Formula C5H10O3, Molecular Weight 118.13.

Name: Cholic Acid Impurity 9, CAS: 5130-29-0, stock 1.7g, assay 98.2%, Formula C24H38O4, Molecular Weight 390.56.

Name: Isoprenaline Hydrochloride, CAS: 51-30-9, stock 4.8g, assay 98.8%, Formula C11H17NO3 HCl, Molecular Weight 211.26 36.46.

Name: Tizanidine EP Impurity A, CAS: 51322-69-1, stock 8.7g, assay 98.4%, Formula C9H9N5S, Molecular Weight 219.27.

Name: Tizanidine Impurity 7, CAS: 51322-80-6, stock 8.5g, assay 97.1%, Formula C7H3ClN4S, Molecular Weight 210.64.

Name: Tizanidine Impurity 5 HI, CAS: 51323-03-6, stock 3.5g, assay 97.4%, Formula C8H7ClN4S2. HI, Molecular Weight 258.74 127.91.

Name: Tizanidine EP Impurity B, CAS: 51323-05-8, stock 1.6g, assay 97.5%, Formula C7H5ClN4S2, Molecular Weight 244.72.

Name: Budesonide EP Impurity K (Mixture of Diastereomers), CAS: 51333-05-2, stock 4.1g, assay 98.2%, Formula C27H36O7, Molecular Weight 472.58.

Name: Budesonide (Mixture of Diastereomers), CAS: 51333-22-3, stock 4.5g, assay 98.4%, Formula C25H34O6, Molecular Weight 430.54.

Name: Bortezomib Impurity 30, CAS: 513-36-0, stock 6.7g, assay 98.8%, Formula C4H9Cl, Molecular Weight 92.57.

Name: Fluconazole Impurity 6 (2-Chloro-2芒聙聶,4芒聙聶-Difluoroacetophenone), CAS: 51336-94-8, stock 8.1g, assay 97.5%, Formula C8H5ClF2O, Molecular Weight 190.58.

Name: Scopolamine (Hyoscine), CAS: 51-34-3, stock 6.1g, assay 97.6%, Formula C17H21NO4, Molecular Weight 303.36.

Name: Fentanyl Impurity 5, CAS: 51357-96-1, stock 4.5g, assay 97.5%, Formula C11H13NO, Molecular Weight 175.23.

Name: Fenofibrate Impurity 8, CAS: 51368-55-9, stock 7.6g, assay 97.6%, Formula C7H13BrO2, Molecular Weight 209.08.

Name: Budesonide-22S, CAS: 51372-28-2, stock 6.8g, assay 98.4%, Formula C25H34O6, Molecular Weight 430.55.

Name: Budesonide-22R, CAS: 51372-29-3, stock 8.2g, assay 97.7%, Formula C25H34O6, Molecular Weight 430.55.

Name: Norepinephrine Tartrate (Noradrenaline Tartrate), CAS: 51-40-1, stock 9.4g, assay 97.9%, Formula C8H11NO3. C4H6O6, Molecular Weight 169.18 150.09.

Name: Ibuprofen Impurity 8, CAS: 51407-46-6, stock 6.1g, assay 97.9%, Formula C13H18O, Molecular Weight 190.29.

Name: Abietic Acid, CAS: 514-10-3, stock 8g, assay 99%, Formula C20H30O2, Molecular Weight 302.46.

Name: Maltitol Impurity 1 (Trehalulose), CAS: 51411-23-5, stock 3.9g, assay 98.2%, Formula C12H22O11, Molecular Weight 342.3.

Name: Fluconazole EP Impurity C, CAS: 514222-44-7, stock 1.3g, assay 98.4%, Formula C10H8N6, Molecular Weight 212.22.

Name: cis-Ormeloxifene, CAS: 51423-19-9, stock 4.6g, assay 97.1%, Formula C30H35NO3, Molecular Weight 457.61.

Name: Adrenaline (Epinephrine), CAS: 51-43-4, stock 4.5g, assay 97.4%, Formula C9H13NO3, Molecular Weight 183.21.

Name: Epinephrine-d3, CAS: 51-43-4 (non-d), stock 4.3g, assay 97.7%, Formula C9H10NO3D3, Molecular Weight 186.23.

Name: Fludrocortisone Acetate, CAS: 514-36-3, stock 3.4g, assay 98%, Formula C23H31FO6, Molecular Weight 422.5.

Name: Fludrocortisone-d5 Acetate, CAS: 514-36-3 (non-labelled), stock 7g, assay 98.4%, Formula C23H26FO6D5, Molecular Weight 427.53.

Name: Procaine Impurity 3 HCl (Otilonium Bromide Impurity 1 HCl), CAS: 51444-52-1, stock 9.4g, assay 97.3%, Formula C28H40N2O4. HCl, Molecular Weight 468.64 36.46.

Name: Otilonium Bromide Impurity 4, CAS: 51444-79-2, stock 8g, assay 98.5%, Formula C22H27NO4, Molecular Weight 369.46.

Name: Naphazoline Nitrate, CAS: 5144-52-5, stock 6.9g, assay 97.8%, Formula C14H14N2. HNO3, Molecular Weight 210.28 63.01.

Name: L-alpha-Phosphatidyl-L-serine, CAS: 51446-62-9, stock 9.9g, assay 97%, Formula C42H82NO10P, Molecular Weight 792.09.

Name: Biperiden, CAS: 514-65-8, stock 9.2g, assay 97.9%, Formula C21H29NO, Molecular Weight 311.47.

Name: Biperiden-d10, CAS: 514-65-8 (non-d), stock 4.9g, assay 98.5%, Formula C21H19NOD10, Molecular Weight 321.53.

Name: Rubropunctamine, CAS: 514-66-9, stock 5.5g, assay 97.8%, Formula C21H23NO4, Molecular Weight 353.42.

Name: Rubropunctatin, CAS: 514-67-0, stock 9g, assay 98.2%, Formula C21H22O5, Molecular Weight 354.41.

Name: Deoxynivalenol, CAS: 51481-10-8, stock 3.7g, assay 98.9%, Formula C15H20O6, Molecular Weight 296.32.

Name: Cimetidine, CAS: 51481-61-9, stock 4g, assay 97.3%, Formula C10H16N6S, Molecular Weight 252.34.

Name: Mezlocillin, CAS: 51481-65-3, stock 6.2g, assay 97.2%, Formula C21H25N5O8S2, Molecular Weight 539.58.

Name: L-Thyroxine (Tetraiodothyronine), CAS: 51-48-9, stock 8.4g, assay 98.6%, Formula C15H11I4NO4, Molecular Weight 776.87.

Name: L-Thyroxine-13C6, CAS: 51-48-9 (non-labelled), stock 1.8g, assay 97.5%, Formula C15H11I4NO4, Molecular Weight 782.81.

Name: D-Thyroxine, CAS: 51-49-0, stock 8.6g, assay 98.3%, Formula C15H11I4NO4, Molecular Weight 776.87.

Name: (E,Z,Z)-2,4,7-Decatrienal, CAS: 515325-37-2, stock 2.1g, assay 97.2%, Formula C10H14O, Molecular Weight 150.22.

Name: Palbociclib Impurity 15, CAS: 51534-82-8, stock 3.6g, assay 97.9%, Formula C9H16O5, Molecular Weight 204.22.

Name: Palbociclib Impurity 14, CAS: 51534-87-3, stock 4.4g, assay 98.3%, Formula C9H16O4, Molecular Weight 188.22.

Name: (S)-Flurbiprofen, CAS: 51543-39-6, stock 8.5g, assay 97.6%, Formula C15H13FO2, Molecular Weight 244.27.

Name: Ethyl Benzenesulfonate, CAS: 515-46-8, stock 6.3g, assay 98.6%, Formula C8H10O3S, Molecular Weight 186.23.

Name: Ethyl benzenesulfonate-13C6, CAS: 515-46-8 (non-labelled), stock 7.2g, assay 98%, Formula C213C6H5O3S, Molecular Weight 187.14.

Name: Amitraz Impurity 3 HCl, CAS: 51550-40-4; 33089-74-6 (free base), stock 9.7g, assay 97.7%, Formula C10H14N2. HCl, Molecular Weight 162.24 36.46.

Name: Atropine, CAS: 51-55-8, stock 1.4g, assay 97.5%, Formula C17H23NO3, Molecular Weight 289.38.

Name: Atropine-d5, CAS: 51-55-8 (non-labelled), stock 4.6g, assay 98.4%, Formula C17H18D5NO3, Molecular Weight 294.41.

Name: Homatropine HBr, CAS: 51-56-9, stock 10g, assay 98.9%, Formula C16H21NO3. HBr, Molecular Weight 275.35 80.91.

Name: alpha-Bisabolol, CAS: 515-69-5, stock 4.5g, assay 97.2%, Formula C15H26O, Molecular Weight 222.37.

Name: Phenytoin EP Impurity D, CAS: 5157-15-3, stock 7g, assay 98.8%, Formula C16H14N4O2, Molecular Weight 294.31.

Name: Calcium Dobesilate Impurity 1, CAS: 51579-78-3, stock 3.8g, assay 98.1%, Formula C6H3O5S. Na, Molecular Weight 187.15 22.99.

Name: Pyridostigmine Impurity 1, CAS: 51581-32-9, stock 1.9g, assay 98.4%, Formula C8H10N2O2, Molecular Weight 166.18.

Name: Biotin Impurity 15, CAS: 51591-87-8, stock 3.8g, assay 97.6%, Formula C28H26N4O7, Molecular Weight 530.54.

Name: Biotin Impurity 11, CAS: 51591-88-9, stock 2.1g, assay 98.1%, Formula C28H30N4O7, Molecular Weight 534.57.

Name: N-Acetyl Mesalamine, CAS: 51-59-2, stock 7.9g, assay 98.4%, Formula C9H9NO4, Molecular Weight 195.17.

Name: (R)-Epichlorohydrin, CAS: 51594-55-9, stock 7.6g, assay 97.6%, Formula C3H5ClO, Molecular Weight 92.52.

Name: Milbemectin A3, CAS: 51596-10-2, stock 5.2g, assay 97.9%, Formula C31H44O7, Molecular Weight 528.69.

Name: Milbemectin A4, CAS: 51596-11-3, stock 7g, assay 98%, Formula C32H46O7, Molecular Weight 542.71.

Name: Neostigmine Metilsulfate, CAS: 51-60-5, stock 7.6g, assay 98.4%, Formula C12H19N2O2. CH3O4S, Molecular Weight 223.30 111.10.

Name: Methylmalonic Acid, CAS: 516-05-2, stock 6.4g, assay 97.3%, Formula C4H6O4, Molecular Weight 118.09.

Name: 11-Keto Progesterone, CAS: 516-15-4, stock 2.8g, assay 98.9%, Formula C21H28O3, Molecular Weight 328.45.

Name: Clotrimazole EP Impurity E, CAS: 5162-03-8, stock 1.6g, assay 97.7%, Formula C13H9ClO, Molecular Weight 216.66.

Name: Cycloguanil HCl, CAS: 516-21-2, stock 6.2g, assay 97.1%, Formula C11H14ClN5. HCl, Molecular Weight 251.72 36.46.

Name: Taurochenodeoxycholic Acid, CAS: 516-35-8, stock 8.6g, assay 97.5%, Formula C26H45NO6S, Molecular Weight 499.72.

Name: Octadecyl Chloroformate, CAS: 51637-93-5, stock 6g, assay 98.6%, Formula C19H37ClO2, Molecular Weight 332.95.

Name: Taurodeoxycholic Acid, CAS: 516-50-7, stock 7.3g, assay 97.3%, Formula C26H45NO6S, Molecular Weight 499.71.

Name: Taurodeoxycholic-d4 Acid, CAS: 516-50-7(non-labelled), stock 7.8g, assay 98.1%, Formula C26H41NO6SD4, Molecular Weight 503.74.

Name: Amiodarone Impurity 1, CAS: 516508-80-8, stock 8.8g, assay 99%, Formula C25H29I2NO4, Molecular Weight 661.32.

Name: Allopregnanolone, CAS: 516-54-1, stock 3.2g, assay 98.1%, Formula C21H34O2, Molecular Weight 318.5.

Name: 4'-Methoxyacetanilide, CAS: 51-66-1, stock 9.7g, assay 97%, Formula C9H11NO2, Molecular Weight 165.19.

Name: Ritodrine BP Impurity A (Tyramine), CAS: 51-67-2, stock 7.4g, assay 97.1%, Formula C8H11NO, Molecular Weight 137.18.

Name: Flufenamic Acid Impurity 2, CAS: 51679-42-6, stock 4.3g, assay 97.4%, Formula C14H10F3NO2S, Molecular Weight 313.3.

Name: Taurolithocholic-d4 Acid, CAS: 516-90-5 (non-labelled), stock 8.1g, assay 97.9%, Formula C26H41NO5SD4, Molecular Weight 487.74.

Name: Equilenin, CAS: 517-09-9, stock 9.8g, assay 98.1%, Formula C18H18O2, Molecular Weight 266.34.

Name: Phenelzine, CAS: 51-71-8, stock 7.8g, assay 98.8%, Formula C8H12N2, Molecular Weight 136.2.

Name: Phenelzine-d5, CAS: 51-71-8 (non-labelled), stock 8.2g, assay 98.1%, Formula C8H7D5N2, Molecular Weight 141.23.

Name: 6-beta-Hydroxy Norethindrone (Norethindrone Impurity H), CAS: 51724-44-8, stock 7.6g, assay 97.2%, Formula C20H26O3, Molecular Weight 314.45.

Name: Cholic Acid Impurity 18 (3-alpha-Hydroxy-7,12-diketo-5-beta-cholan-24-oic acid), CAS: 517-33-9, stock 7.9g, assay 97.3%, Formula C24H36O5, Molecular Weight 404.55.

Name: Dienogest Impurity 10, CAS: 5173-46-6, stock 7.7g, assay 97.5%, Formula C18H22O2, Molecular Weight 270.37.

Name: Ergocalciferol (Vitamin D2) EP Impurity A (5,6-trans-Vitamin D2), CAS: 51744-66-2, stock 6.6g, assay 98.2%, Formula C28H44O, Molecular Weight 396.66.

Name: Corytuberine, CAS: 517-56-6, stock 9g, assay 98.9%, Formula C19H21NO4, Molecular Weight 327.38.

Name: Rifabutin EP Impurity B (3-Amino Rifamycin S), CAS: 51756-80-0, stock 5.1g, assay 97.4%, Formula C37H46N2O12, Molecular Weight 710.78.

Name: Cephalosporin C Sodium Salt, CAS: 51762-04-0, stock 4.4g, assay 98.5%, Formula C16H20N3O8S. Na, Molecular Weight 414.42 22.99.

Name: Ceftibuten Impurity 4, CAS: 51762-51-7, stock 8g, assay 97.5%, Formula C28H26N2O5S, Molecular Weight 502.59.

Name: Nimesulide EP Impurity B, CAS: 51765-51-6, stock 8.1g, assay 98%, Formula C13H13NO3S, Molecular Weight 263.31.

Name: Nimesulide EP Impurity A, CAS: 51765-56-1, stock 9.5g, assay 97.8%, Formula C13H11N3O7S, Molecular Weight 353.31.

Name: Nimesulide EP Impurity F, CAS: 51765-72-1, stock 8.1g, assay 98.6%, Formula C14H14N2O7S2, Molecular Weight 386.4.

Name: Dofetilide Impurity 11, CAS: 51767-39-6, stock 6.3g, assay 98%, Formula C7H9NO3S, Molecular Weight 187.21.

Name: 1,3-Dimethylparabanic Acid, CAS: 5176-82-9, stock 8.4g, assay 98.7%, Formula C5H6N2O3, Molecular Weight 142.11.

Name: N-Formyl (R)-Octabase (Mixture of Diastereomers), CAS: 51773-23-0, stock 7.6g, assay 97.8%, Formula C18H23NO2, Molecular Weight 285.39.

Name: Tofacitinib Impurity 19, CAS: 5177-35-5, stock 2.3g, assay 98.9%, Formula C10H12ClNO, Molecular Weight 197.66.

Name: Carteolol HCl EP Impurity D, CAS: 51781-13-6, stock 4g, assay 99%, Formula C12H14ClNO3, Molecular Weight 255.7.

Name: Carteolol HCl EP Impurity C, CAS: 51781-14-7, stock 1.8g, assay 97.3%, Formula C12H13NO3, Molecular Weight 219.24.

Name: Carteolol HCl, CAS: 51781-21-6, stock 2.1g, assay 99%, Formula C16H24N2O3. HCl, Molecular Weight 292.38 36.46.

Name: Acetaminophen Impurity K HCl (Paracetamol Impurity K HCl), CAS: 51-78-5, stock 3.3g, assay 98.3%, Formula C6H7NO. HCl, Molecular Weight 109.13 36.46.

Name: Urethane (Ethyl Carbonate), CAS: 51-79-6, stock 1.3g, assay 97.4%, Formula C3H7NO2, Molecular Weight 89.09.

Name: Nimesulide, CAS: 51803-78-2, stock 4.2g, assay 98.6%, Formula C13H12N2O5S, Molecular Weight 308.31.

Name: Raltegravir EP Impurity A, CAS: 518048-03-8, stock 9.4g, assay 98.8%, Formula C16H19FN4O3, Molecular Weight 334.35.

Name: Raltegravir Impurity 7, CAS: 518048-04-9, stock 2.2g, assay 97.2%, Formula C19H21FN4O6, Molecular Weight 420.4.

Name: Raltegravir, CAS: 518048-05-0, stock 2.9g, assay 97.5%, Formula C20H21FN6O5, Molecular Weight 444.42.

Name: Raltegravir-13C-d3, CAS: 518048-05-0 (non-d), stock 4.1g, assay 97.9%, Formula C20H17FN6O5D3, Molecular Weight 447.44 39.10.

Name: Raltegravir-d4, CAS: 518048-05-0 (non-labelled), stock 8.3g, assay 98.8%, Formula C20H17D4FN6O5, Molecular Weight 448.45.

Name: Sulfamethoxazole Impurity 2 , CAS: 51821-47-7, stock 8.4g, assay 97.4%, Formula C10H11N3O3S, Molecular Weight 253.28.

Name: Podophyllotoxin, CAS: 518-28-5, stock 9.2g, assay 97.7%, Formula 414.42, Molecular Weight C22H22O8.

Name: Podophyllotoxin-d9, CAS: 518-28-5 (non-labelled), stock 1.4g, assay 97.5%, Formula C22H13D9O8, Molecular Weight 423.46.

Name: Calcium-2-Oxo-3-Phenylpropionate (Calcium Phenylpyruvate), CAS: 51828-93-4, stock 9.4g, assay 97%, Formula C9H7O3 1/2Ca, Molecular Weight 163.15 20.04.

Name: Calcium alpha-ketovaline, CAS: 51828-94-5, stock 9.6g, assay 98.5%, Formula 2 C5H7O3. Ca, Molecular Weight 2 115.11 40.08.

Name: Calcium 4-Methyl-2-Oxovalerate, CAS: 51828-95-6, stock 6.1g, assay 97.2%, Formula 2 C6H9O3. Ca, Molecular Weight 2 129.14 40.08.

Name: Droxidopa Impurity 3, CAS: 51829-98-2, stock 8.5g, assay 98.3%, Formula C9H11NO5, Molecular Weight 213.19.

Name: Droxidopa Impurity 5, CAS: 51829-99-3, stock 3.8g, assay 98.7%, Formula C9H11NO5, Molecular Weight 213.19.

Name: Angiotensin I (1-7), CAS: 51833-78-4, stock 6.9g, assay 98.1%, Formula C41H62N12O11, Molecular Weight 899.02.

Name: Amlodipine Impurity 54, CAS: 5183-78-8, stock 3.7g, assay 97.8%, Formula C7H9NO2S, Molecular Weight 171.21.

Name: Cinchocaine Impurity 1, CAS: 51842-70-7, stock 2.2g, assay 97.7%, Formula C20H19NO3, Molecular Weight 321.38.

Name: Gentamycin Sulfate Impurity 4, CAS: 51846-97-0, stock 9.1g, assay 97.6%, Formula C19H39N5O9, Molecular Weight 481.55.

Name: Cysteamine Impurity 2, CAS: 51859-63-3, stock 4.3g, assay 98.4%, Formula C4H9NOS, Molecular Weight 119.18.

Name: (R)-Methotrexate, CAS: 51865-79-3, stock 4g, assay 98.7%, Formula C20H22N8O5, Molecular Weight 454.45.

Name: Acetylcysteine Impurity 13 (CEMA), CAS: 51868-61-2 (R-Isomer), stock 4.2g, assay 97.6%, Formula C8H13NO5S, Molecular Weight 235.25.

Name: Zileuton Impurity 1, CAS: 51868-95-2, stock 8.5g, assay 98.4%, Formula C10H10OS, Molecular Weight 178.25.

Name: (-)-Citrinin, CAS: 518-75-2, stock 2.7g, assay 97.1%, Formula C13H14O5, Molecular Weight 250.25.

Name: (-)-Citrinin-13C-d2, CAS: 518-75-2 (non-labelled), stock 5.7g, assay 99%, Formula C13H12O5D2, Molecular Weight 253.25.

Name: (-)-Citrinin-13C-d3, CAS: 518-75-2 (non-labelled), stock 9.2g, assay 97.3%, Formula C13H11O5D3, Molecular Weight 254.26.

Name: Emodin, CAS: 518-82-1, stock 1.3g, assay 98.8%, Formula C15H10O5, Molecular Weight 270.24.

Name: Pizotyline Malate, CAS: 5189-11-7, stock 1.5g, assay 97.6%, Formula C19H21NS. C4H6O5, Molecular Weight 295.45 134.09.

Name: Cycleanine, CAS: 518-94-5, stock 8.9g, assay 98.5%, Formula C38H42N2O6, Molecular Weight 622.76.

Name: DL-alpha-Tocopherol nicotinate, CAS: 51898-34-1, stock 9.7g, assay 97.9%, Formula C35H53NO3, Molecular Weight 535.81.

Name: 10-beta-Hydroxyestr-4-ene-3,17-dione, CAS: 5189-96-8, stock 3g, assay 98.6%, Formula C18H24O3, Molecular Weight 288.39.

Name: Salicylic Acid Impurity 15, CAS: 51904-91-7, stock 6.7g, assay 99%, Formula C8H7ClO5S, Molecular Weight 250.65.

Name: Noscapine Impurity 5 (Opianic Acid) (Mixture of Tautomeric Isomers), CAS: 519-05-1, stock 6.1g, assay 97.7%, Formula C10H10O5, Molecular Weight 210.19.

Name: Prucalopride Impurity 11, CAS: 519147-89-8, stock 7.3g, assay 97.5%, Formula C10H20N2O2, Molecular Weight 200.28.

Name: Rotigotine Impurity 2, CAS: 51927-48-1, stock 6.7g, assay 98.9%, Formula C10H10O, Molecular Weight 146.19.

Name: 3-Chloropropane-1,2-diol Dipalmitate, CAS: 51930-97-3, stock 8.9g, assay 97.3%, Formula C35H67ClO4, Molecular Weight 587.37.

Name: Caffeine EP Impurity C (Isocaffeine), CAS: 519-32-4, stock 4.4g, assay 98.7%, Formula C8H10N4O2, Molecular Weight 194.19.

Name: Pirfenidone Impurity 1, CAS: 51933-81-4, stock 6.2g, assay 97.6%, Formula C12H11NO, Molecular Weight 185.23.

Name: Etofylline , CAS: 519-37-9, stock 6g, assay 97.2%, Formula C9H12N4O3, Molecular Weight 224.22.

Name: Etofylline-d6, CAS: 519-37-9 (non-labelled), stock 8.8g, assay 98.4%, Formula C9H6D6N4O3, Molecular Weight 230.26.

Name: Schaftoside, CAS: 51938-32-0, stock 9.5g, assay 98.1%, Formula C26H28O14, Molecular Weight 564.5.

Name: 1,2,3,4-Tetrahydropyrazine, CAS: 5194-05-8, stock 8.2g, assay 98.2%, Formula C4H8N2, Molecular Weight 84.12.

Name: Chlorophyll b, CAS: 519-62-0, stock 3.2g, assay 98.4%, Formula C55H70MgN4O6, Molecular Weight 907.49.

Name: Pyridoxine EP Impurity A, CAS: 5196-20-3, stock 5.9g, assay 97.9%, Formula C8H9NO2, Molecular Weight 151.17.

Name: Rifaximin Imine-N-Oxide, CAS: 51963-55-4, stock 5.1g, assay 97.9%, Formula C43H58N4O13, Molecular Weight 838.96.

Name: Medetomidine Impurity 31, CAS: 519-73-3, stock 4.6g, assay 97.3%, Formula C19H16, Molecular Weight 244.34.

Name: Benzyltriethylammonium Bromide, CAS: 5197-95-5, stock 7.3g, assay 98.8%, Formula C13H22N. Br, Molecular Weight 192.33 79.90.

Name: Cholesterol Impurity 9, CAS: 51982-45-7, stock 7.9g, assay 97.4%, Formula C27H42O, Molecular Weight 382.63.

Name: Norethindrone Acetate, CAS: 51-98-9, stock 4.4g, assay 98.2%, Formula C22H28O3, Molecular Weight 340.46.

Name: Norethindrone Acetate-d6, CAS: 51-98-9 (non-labelled), stock 7.2g, assay 97.4%, Formula C22H22D6O3, Molecular Weight 346.5.

Name: Bupivacaine Impurity 3, CAS: 51989-48-1, stock 8.5g, assay 98.8%, Formula C14H20N2O2, Molecular Weight 248.33.

Name: 4-(2,3-Epoxypropoxy)carbazole, CAS: 51997-51-4, stock 3.1g, assay 97.7%, Formula C15H13NO2, Molecular Weight 239.28.

Name: Isoschaftoside, CAS: 52012-29-0, stock 1.3g, assay 98.4%, Formula C26H28O14, Molecular Weight 564.5.

Name: Spironolactone, CAS: 52-01-7, stock 3.6g, assay 98.2%, Formula C24H32O4S, Molecular Weight 416.58.

Name: Spironolactone-d3 (Major), CAS: 52-01-7 (non-labelled), stock 1.5g, assay 98.6%, Formula C24H29D3O4S, Molecular Weight 419.59.

Name: Spironolactone-d3 (7-Acetylthyo-d3), CAS: 52-01-7 (non-labelled), stock 8.3g, assay 97.7%, Formula C24H29D3O4S, Molecular Weight 419.59.

Name: Kaempferol, CAS: 520-18-3, stock 3.6g, assay 98.9%, Formula C15H10O6, Molecular Weight 286.24.

Name: Hesperidin (Diosmin EP Impurity B), CAS: 520-26-3, stock 8.6g, assay 97.2%, Formula C28H34O15, Molecular Weight 610.57.

Name: Diosmin, CAS: 520-27-4, stock 3.3g, assay 97.4%, Formula C28H32O15, Molecular Weight 608.55.

Name: Tectochrysin, CAS: 520-28-5, stock 6.7g, assay 97.6%, Formula C16H12O4, Molecular Weight 268.27.

Name: Febuxostat Impurity 43, CAS: 5203-15-6, stock 4.2g, assay 97.2%, Formula C11H13NO, Molecular Weight 175.23.

Name: (S)-Hesperetin, CAS: 520-33-2, stock 8.7g, assay 98.9%, Formula C16H14O6, Molecular Weight 302.28.

Name: Diosmetin (Diosmin EP Impurity F), CAS: 520-34-3, stock 2.3g, assay 97.1%, Formula C16H12O6, Molecular Weight 300.27.

Name: cis-4芒聙聶-Hydroxy CCNU Lomustine, CAS: 52049-26-0, stock 8.8g, assay 98.9%, Formula C9H16ClN3O3, Molecular Weight 249.7.

Name: Valproic Acid EP Impurity G, CAS: 52061-73-1, stock 3.8g, assay 97.1%, Formula C11H23NO, Molecular Weight 185.31.

Name: Valproic Acid EP Impurity D, CAS: 52061-75-3, stock 3.7g, assay 98.7%, Formula C11H22O2, Molecular Weight 186.3.

Name: Cefmetazole Impurity 21, CAS: 52069-55-3, stock 5.1g, assay 97.2%, Formula C4H4ClNOS, Molecular Weight 149.59.

Name: Naproxen EP Impurity A (O-Desmethyl Naproxen), CAS: 52079-10-4, stock 9.8g, assay 97.9%, Formula C13H12O3, Molecular Weight 216.24.

Name: Calcium Lactogluconate, CAS: 52080-72-5, stock 1.2g, assay 97.8%, Formula 2 C6H11O7. 2 C3H5O3. 2 Ca, Molecular Weight 2 195.15 2 89.07 2 40.08.

Name: Medroxyprogesterone (Medroxyprogesterone Acetate EP Impurity B), CAS: 520-85-4, stock 1.2g, assay 98%, Formula C22H32O3, Molecular Weight 344.5.

Name: Beclomethasone Dipropionate EP Impurity I, CAS: 52092-12-3, stock 6.7g, assay 97.2%, Formula C28H36O6, Molecular Weight 468.59.

Name: Beclomethasone Dipropionate EP Impurity D, CAS: 52092-14-5, stock 3.5g, assay 98.9%, Formula C28H37BrO7, Molecular Weight 565.5.

Name: Desoximetasone Impurity H, CAS: 52092-65-6, stock 9.5g, assay 97.9%, Formula C24H30O5, Molecular Weight 398.5.

Name: Gentamicin C2b, CAS: 52093-21-7, stock 3.4g, assay 97.3%, Formula C20H41N5O7, Molecular Weight 463.58.

Name: delta(7)-Stigmastenol, CAS: 521-03-9, stock 4.9g, assay 98.6%, Formula C29H50O, Molecular Weight 414.72.

Name: Strobilurin A, CAS: 52110-55-1, stock 9.7g, assay 98.8%, Formula C16H18O3, Molecular Weight 258.32.

Name: alpha,alpha-Dimethylphenethylformamide, CAS: 52117-13-2, stock 3.4g, assay 97.9%, Formula C11H15NO, Molecular Weight 177.25.

Name: Stanolone, CAS: 521-18-6, stock 8g, assay 98.7%, Formula C19H30O2, Molecular Weight 290.45.

Name: Stanolone-d4, CAS: 521-18-6 (non-labelled), stock 7.5g, assay 97.7%, Formula C19H26D4O2, Molecular Weight 294.47.

Name: 1,2-Naphthoquinone-4-Sulfonic Acid Sodium Salt, CAS: 521-24-4; 5908-27-0 (Potassium Salt), stock 5.5g, assay 97.4%, Formula C10H5O5S. Na, Molecular Weight 237.21 22.99.

Name: Luminol, CAS: 521-31-3, stock 3.3g, assay 97.3%, Formula C8H7N3O2, Molecular Weight 177.16.

Name: Luminol-d3, CAS: 521-31-3 (non-labelled), stock 9.1g, assay 97.9%, Formula C8H4D3N3O2, Molecular Weight 180.18.

Name: Noscapine Impurity 6 (Narcotoline), CAS: 521-40-4, stock 4.2g, assay 97.7%, Formula C21H21NO7, Molecular Weight 399.4.

Name: Trimetazidine EP Impurity A, CAS: 52146-35-7, stock 2.7g, assay 98.3%, Formula C14H22N2O3, Molecular Weight 266.34.

Name: L-Glucono-1,5-lactone, CAS: 52153-09-0, stock 4.4g, assay 97.6%, Formula C6H10O6, Molecular Weight 178.14.

Name: Fluoxetine Impurity 15, CAS: 5216-25-1, stock 9.3g, assay 98.4%, Formula C7H4Cl4, Molecular Weight 229.91.

Name: 7-Hydroxy Prochlorperazine, CAS: 52172-19-7, stock 3.5g, assay 97.9%, Formula C20H24ClN3OS, Molecular Weight 389.95.

Name: 7-Hydroxy Perphenazine, CAS: 52174-38-6, stock 5.7g, assay 97%, Formula C21H26ClN3O2S, Molecular Weight 419.97.

Name: Ciprofibrate EP Impurity B, CAS: 52179-26-7, stock 2.7g, assay 97.9%, Formula C9H8Cl2O, Molecular Weight 203.07.

Name: Ciprofibrate EP Impurity E, CAS: 52179-28-9, stock 2.3g, assay 98.9%, Formula C15H18Cl2O3, Molecular Weight 317.21.

Name: Rosuvastatin Related Compound 6, CAS: 521973-99-9, stock 8.2g, assay 98.2%, Formula C13H23ClO4, Molecular Weight 278.78.

Name: Rosuvastatin Related Compound 7, CAS: 521974-00-5, stock 2g, assay 98.4%, Formula C13H23ClO4, Molecular Weight 278.78.

Name: Rosuvastatin Related Compound 8, CAS: 521974-01-6, stock 4.8g, assay 98.5%, Formula C13H23ClO4, Molecular Weight 278.78.

Name: Cephalexin R-Sulfoxide, CAS: 52210-38-5, stock 3.5g, assay 97.3%, Formula C16H17N3O5S, Molecular Weight 363.39.

Name: Prednisolone-21-Acetate, CAS: 52-21-1, stock 1.1g, assay 97.6%, Formula C23H30O6, Molecular Weight 402.49.

Name: Ciprofibrate, CAS: 52214-84-3, stock 4.8g, assay 97.6%, Formula C13H14Cl2O3, Molecular Weight 289.15.

Name: Teriparatide, CAS: 52232-67-4, stock 3.2g, assay 97%, Formula C181H291N55O51S2, Molecular Weight 4117.72.

Name: Thiotepa, CAS: 52-24-4, stock 9.6g, assay 97.4%, Formula C6H12N3PS, Molecular Weight 189.22.

Name: Dipivefrine EP Impurity E HCl, CAS: 52245-00-8 (free base), stock 9.7g, assay 98.3%, Formula C19H27NO5. HCl, Molecular Weight 349.43 36.46.

Name: N-Methyl Iminostilbene, CAS: 52249-32-8, stock 6.3g, assay 97.7%, Formula C15H13N, Molecular Weight 207.28.

Name: Solifenacin Related Compound 6, CAS: 52250-50-7, stock 4.3g, assay 97.2%, Formula C15H13N, Molecular Weight 207.28.

Name: Dequalinium Chloride, CAS: 522-51-0, stock 4.8g, assay 98.3%, Formula C30H40N4. 2 Cl, Molecular Weight 456.68 2 35.45.

Name: Papaverine EP Impurity D (Papaveraldine), CAS: 522-57-6, stock 3.6g, assay 99%, Formula C20H19NO5, Molecular Weight 353.37.

Name: Cholecalciferol EP Impurity C (lumisterol 3), CAS: 5226-01-7, stock 1.4g, assay 97.5%, Formula C27H44O, Molecular Weight 384.64.

Name: Carprofen EP Impurity G, CAS: 52262-89-2, stock 5.9g, assay 98.8%, Formula C17H16ClNO2, Molecular Weight 301.77.

Name: Enpiroline Impurity 1, CAS: 52300-94-4, stock 1.9g, assay 97.8%, Formula C19H18F6N2O, Molecular Weight 404.36.

Name: Ethyl butylacetylaminopropionate, CAS: 52304-36-6, stock 1.6g, assay 98.9%, Formula C11H21NO3, Molecular Weight 215.29.

Name: Enpiroline HCl, CAS: 52306-13-5, stock 6.6g, assay 99%, Formula C19H18F6N2O. HCl, Molecular Weight 404.36 36.46.

Name: Cypermethrin (Mixture Of Diastereomers), CAS: 52315-07-8, stock 8.9g, assay 98.7%, Formula C22H19Cl2NO3, Molecular Weight 416.31.

Name: Methyl dodecylbenzenesulfonate, CAS: 52319-06-9, stock 7.1g, assay 97.9%, Formula C19H32O3S, Molecular Weight 340.52.

Name: Mebendazole Impurity A, CAS: 52329-60-9, stock 1.3g, assay 98.8%, Formula C14H11N3O, Molecular Weight 237.26.

Name: 5-Chloro Hydrochlorothiazide, CAS: 5233-42-1, stock 5.5g, assay 98.2%, Formula C7H7Cl2N3O4S2, Molecular Weight 332.17.

Name: 4-Amino-3-Hydroxy-Pyridine, CAS: 52334-53-9, stock 8.1g, assay 98.3%, Formula C5H6N2O, Molecular Weight 110.12.

Name: Cyclophosphamide Impurity 8 (Alcocyclophosphamide), CAS: 52336-54-6, stock 1.7g, assay 98.2%, Formula C7H17Cl2N2O3P, Molecular Weight 279.1.

Name: Menaquinone 8, CAS: 523-38-6, stock 7.9g, assay 98.7%, Formula C51H72O2, Molecular Weight 717.14.

Name: Menaquinone 9, CAS: 523-39-7, stock 3.8g, assay 97.5%, Formula C56H80O2, Molecular Weight 785.25.

Name: Menaquinone 10, CAS: 523-40-0, stock 3.6g, assay 98.6%, Formula C61H88O2, Molecular Weight 853.37.

Name: Tenofovir Impurity 3, CAS: 52364-31-5, stock 5.9g, assay 98%, Formula C13H13O4P, Molecular Weight 264.22.

Name: Dipivefrine-d3, CAS: 52365-63-6 (non-labelled), stock 5.9g, assay 97.1%, Formula C19H26D3NO5, Molecular Weight 354.46.

Name: Acetaminophen Mercapturate, CAS: 52372-86-8, stock 2.7g, assay 97.9%, Formula C13H16N2O5S, Molecular Weight 312.34.

Name: Cimetidine EP Impurity A, CAS: 52378-40-2, stock 1.8g, assay 98.7%, Formula C10H15N5S2, Molecular Weight 269.39.

Name: m-Iodohippuric Acid (2-(3-iodobenzamido)acetic acid), CAS: 52386-94-4, stock 3.8g, assay 97.6%, Formula C9H8INO3, Molecular Weight 305.07.

Name: Aldosterone, CAS: 52-39-1, stock 5.1g, assay 98%, Formula C21H28O5, Molecular Weight 360.45.

Name: Aldosterone-d7, CAS: 52-39-1 (non-d), stock 5.8g, assay 98.1%, Formula C21H21D7O5, Molecular Weight 367.49.

Name: Sulpiride EP Impurity E, CAS: 52395-25-2, stock 8.9g, assay 97.2%, Formula C8H10N2O4S, Molecular Weight 230.24.

Name: Vitamin B6 Impurity 4, CAS: 524-07-2, stock 6.4g, assay 97.8%, Formula C8H9NO4, Molecular Weight 183.16.

Name: Oxeladin Citrate, CAS: 52432-72-1, stock 9.4g, assay 97.4%, Formula C20H33NO3. C6H8O7, Molecular Weight 335.49 192.13.

Name: Droxidopa Impurity 14, CAS: 524-38-9, stock 7.8g, assay 97.4%, Formula C8H5NO3, Molecular Weight 163.13.

Name: Cytidine 5芒聙聶-Monophosphate Methyl Ester Sodium, CAS: 52448-10-9 (free acid), stock 3g, assay 98.9%, Formula C10H15N3O8P. Na, Molecular Weight 336.22 22.99.

Name: Dextrorphan-d3 Tartrate, CAS: 524713-59-5, stock 7.6g, assay 97.7%, Formula C17H20NOD3. C4H6O6, Molecular Weight 260.40 150.09.

Name: Deferasirox Impurity 13, CAS: 524746-12-1, stock 3.9g, assay 97.6%, Formula C21H15N3O5, Molecular Weight 389.37.

Name: Deferasirox Impurity 14, CAS: 524746-13-2, stock 5.8g, assay 98.5%, Formula C21H15N3O5, Molecular Weight 389.37.

Name: Isosorbide Impurity 9 (2,6-anhydro-glucitol), CAS: 52485-66-2, stock 7.1g, assay 97.7%, Formula C6H12O5, Molecular Weight 164.16.

Name: Amiodarone EP Impurity E, CAS: 52490-15-0, stock 2.5g, assay 97.5%, Formula C19H18O3, Molecular Weight 294.35.

Name: Benzhexol HCl (Trihexyphenidyl HCl), CAS: 52-49-3, stock 8.6g, assay 97.2%, Formula C20H31NO.HCl, Molecular Weight 301.48 36.46.

Name: 2-Aminoethyl Diphenylborinate, CAS: 524-95-8, stock 5.3g, assay 97.7%, Formula C14H16BNO, Molecular Weight 225.1.

Name: Carbidopa EP Impurity E, CAS: 52514-63-3, stock 8.4g, assay 98.7%, Formula C11H16N2O4, Molecular Weight 240.26.

Name: Bronopol, CAS: 52-51-7, stock 1.6g, assay 97.4%, Formula C3H6BrNO4, Molecular Weight 199.99.

Name: Pranoprofen Impurity 15, CAS: 52549-07-2, stock 2.9g, assay 98.3%, Formula C14H11NO3, Molecular Weight 241.25.

Name: Pranoprofen, CAS: 52549-17-4, stock 5.4g, assay 98.8%, Formula C15H13NO3, Molecular Weight 255.27.

Name: Pranoprofen-13C-d3, CAS: 52549-17-4 (non-labelled), stock 3g, assay 97.9%, Formula 13C C14H10D3NO3, Molecular Weight 259.28.

Name: Pranoprofen Impurity 2, CAS: 52549-19-6, stock 4.2g, assay 97.4%, Formula C15H11NO4, Molecular Weight 269.26.

Name: Nicotine Impurity 3, CAS: 525-74-6; 75043-32-2, stock 3.3g, assay 98.5%, Formula C10H12N2; C10H13N2+, Molecular Weight 160.22; 161.23.

Name: Digoxin EP Impurity E, CAS: 52589-12-5, stock 3.6g, assay 98.5%, Formula C41H64O1, Molecular Weight 796.96.

Name: 4-Hydroxy Carbazole, CAS: 52602-39-8, stock 6.6g, assay 97.7%, Formula C12H9NO, Molecular Weight 183.21.

Name: Benidipine Impurity 24, CAS: 52604-00-9, stock 6.1g, assay 97.7%, Formula C12H11NO5, Molecular Weight 249.22.

Name: Betamethasone EP Impurity D, CAS: 52619-05-3, stock 4.5g, assay 97.5%, Formula C25H33FO7, Molecular Weight 464.53.

Name: Betamethasone Valerate EP Impurity H, CAS: 52619-18-8, stock 6.1g, assay 97.8%, Formula C27H37ClO6, Molecular Weight 493.04.

Name: Ciprofloxacin EP Impurity D HCl, CAS: 526204-10-4, stock 6.6g, assay 98.2%, Formula C17H18ClN3O3. HCl, Molecular Weight 347.80 36.46.

Name: Aspartame Impurity A, CAS: 5262-10-2, stock 9.7g, assay 97.6%, Formula C13H14N2O4, Molecular Weight 262.27.

Name: Tirofiban Impurity 32, CAS: 5264-15-3, stock 7.6g, assay 97.5%, Formula C9H13NO, Molecular Weight 151.21.

Name: 4-trichloromethyl benzoic acid, CAS: 5264-40-4, stock 1.8g, assay 98.1%, Formula C8H5Cl3O2, Molecular Weight 239.48.

Name: Permethrin (Mixture of cis and trans Isomers), CAS: 52645-53-1, stock 9.8g, assay 97%, Formula C21H20Cl2O3, Molecular Weight 391.29.

Name: Betamethasone Enol Aldehyde Z Isomer, CAS: 52647-06-0, stock 1.4g, assay 97.8%, Formula C22H27FO4, Molecular Weight 374.45.

Name: Betamethasone Enol Aldehyde E Isomer, CAS: 52647-07-1, stock 7g, assay 97.6%, Formula C22H27FO4, Molecular Weight 374.45.

Name: Tryptophol, CAS: 526-55-6, stock 6.3g, assay 97.2%, Formula C10H11NO, Molecular Weight 161.2.

Name: Dehydrate Haloperidol, CAS: 52669-92-8, stock 2.9g, assay 98.4%, Formula C21H21ClFNO, Molecular Weight 357.86.

Name: Erlotinib Impurity 40, CAS: 52670-38-9, stock 6.6g, assay 98.3%, Formula C8H7N, Molecular Weight 117.15.

Name: 2-Chlorobenzhydryl amine, CAS: 5267-39-0, stock 2.7g, assay 98.1%, Formula C13H12ClN, Molecular Weight 217.7.

Name: D-Penicillamine, CAS: 52-67-5, stock 4.2g, assay 98.8%, Formula C5H11NO2S, Molecular Weight 149.21.

Name: Penicillamine-d3, CAS: 52-67-5 (non-labelled), stock 3.8g, assay 97.4%, Formula C5H8D3NO2S, Molecular Weight 152.23.

Name: Trichlorfon, CAS: 52-68-6, stock 6.5g, assay 97.4%, Formula C4H8Cl3O4P, Molecular Weight 257.43.

Name: (-)-Apoverbenone , CAS: 52691-72-2, stock 9g, assay 97.3%, Formula C9H12O, Molecular Weight 136.19.

Name: D-Gluconic Acid, CAS: 526-95-4, stock 6.9g, assay 97%, Formula C6H12O7, Molecular Weight 196.16.

Name: Ascorbic Acid EP Impurity C (L-xylo-2-Hexulosonic acid), CAS: 526-98-7, stock 2.2g, assay 97.9%, Formula C6H10O7, Molecular Weight 194.14.

Name: Gonadorelin Acetate, CAS: 52699-48-6, stock 6.7g, assay 98.8%, Formula C55H75N17O13 (C2H4O2)n, Molecular Weight 1182.32 (60.05)n.

Name: Mucic Acid, CAS: 526-99-8, stock 6.3g, assay 97.6%, Formula C6H10O8, Molecular Weight 210.14.

Name: Chlortalidone EP Impurity B (Chlorthalidone Related Compound A), CAS: 5270-74-6, stock 1.5g, assay 98.5%, Formula C14H10ClNO5S, Molecular Weight 339.75.

Name: 3-Ethoxy-4-methoxytoluene, CAS: 52711-91-8, stock 6.6g, assay 98%, Formula C10H14O2, Molecular Weight 166.22.

Name: Methionylmethionine HCl (Mixture of Diastereomers), CAS: 52715-93-2 (free base), stock 6.6g, assay 97.6%, Formula C10H20N2O3S2. HCl, Molecular Weight 280.41 36.46.

Name: Aripiprazole Impurity 5, CAS: 52749-50-5, stock 8.5g, assay 97.5%, Formula C9H9NO2, Molecular Weight 163.18.

Name: Sertraline EP Impurity B HCl, CAS: 52758-05-1, stock 9.5g, assay 97.9%, Formula C17H19N. HCl, Molecular Weight 237.35 36.46.

Name: Lynestrenol, CAS: 52-76-6, stock 1.5g, assay 98.3%, Formula C20H28O, Molecular Weight 284.44.

Name: Rivaroxaban Impurity 33, CAS: 527-72-0, stock 3.8g, assay 97.8%, Formula C5H4O2S, Molecular Weight 128.15.

Name: Erythromycin B, CAS: 527-75-3, stock 9.5g, assay 98.1%, Formula C37H67NO12, Molecular Weight 717.95.

Name: Fenfluramine Impurity 1, CAS: 52777-74-9, stock 5.5g, assay 98.7%, Formula C13H18F3N, Molecular Weight 245.29.

Name: Tenoxicam EP Impurity D (N-Methyl-N'-(2-pyridyl)oxamide), CAS: 52781-01-8, stock 1.9g, assay 97.1%, Formula C8H9N3O2, Molecular Weight 179.18.

Name: 4-dichloromethyl benzoic acid, CAS: 5278-91-1, stock 9.8g, assay 97.7%, Formula C8H6Cl2O2, Molecular Weight 205.03.

Name: Camphor Benzalkonium Methosulfate, CAS: 52793-97-2, stock 2.2g, assay 97.6%, Formula C20H28NO. CH3O4S, Molecular Weight 298.45 111.09.

Name: Gefitinib Impurity (3-Hydroxy-4-methoxybenzonitrile), CAS: 52805-46-6, stock 9.2g, assay 98.4%, Formula C8H7NO2, Molecular Weight 149.15.

Name: Hydroxy Flutamide, CAS: 52806-53-8, stock 4.4g, assay 97.9%, Formula C11H11F3N2O4, Molecular Weight 292.22.

Name: Mepyramine EP Impurity A, CAS: 52818-63-0, stock 4.9g, assay 98.2%, Formula C13H14N2O, Molecular Weight 214.27.

Name: 2,4-Quinolinedione, CAS: 52851-41-9, stock 1.5g, assay 97.9%, Formula C9H7NO2, Molecular Weight 161.16.

Name: Delphinidin Chloride, CAS: 528-53-0, stock 6.6g, assay 99%, Formula C15H11O7. Cl, Molecular Weight 303.25 35.45.

Name: Telmisartan Methyl Ester, CAS: 528560-93-2, stock 2.2g, assay 97.6%, Formula C34H32N4O2, Molecular Weight 528.66.

Name: Ezetimibe impurity (3-[5-(4-Fluoro-phenyl)-5-(R)-hydroxy-pentanoyl]-4-(S)-phenyl-oxazolidin-2-one), CAS: 528565-93-7, stock 6.6g, assay 98%, Formula C20H20FNO4, Molecular Weight 357.39.

Name: Cyanidin Chloride, CAS: 528-58-5, stock 9.9g, assay 97.4%, Formula C15H11O6. Cl, Molecular Weight 287.25 35.45.

Name: Febuxostat Impurity 46, CAS: 528607-60-5, stock 5.7g, assay 98%, Formula C12H13NO3, Molecular Weight 219.24.

Name: Haloperidol, CAS: 52-86-8, stock 3.3g, assay 98.9%, Formula C21H23ClFNO2, Molecular Weight 375.87.

Name: 3-Methyl-2-Buten-1-thiol, CAS: 5287-45-6, stock 2.9g, assay 97.4%, Formula C5H10S, Molecular Weight 102.2.

Name: Ciprofloxacin Impurity 2 HCl (Ciprofloxacin Related Compound HCl), CAS: 528851-30-1, stock 6.2g, assay 98.7%, Formula C15H16ClN3O3. HCl, Molecular Weight 321.77 36.46.

Name: Ciprofloxacin EP Impurity C HCl, CAS: 528851-31-2, stock 9.1g, assay 97.8%, Formula C15H16FN3O3. HCl, Molecular Weight 305.31 36.46.

Name: Ciclopirox-d11 Sodium Salt, CAS: 52900-30-8 (non-labelled), stock 5g, assay 97.3%, Formula C12H5NO2D11. Na, Molecular Weight 217.33 22.99.

Name: Acetylcysteine EP Impurity B (L-Cysteine), CAS: 52-90-4, stock 6.7g, assay 97.4%, Formula C3H7NO2S, Molecular Weight 121.16.

Name: Acetylcysteine EP Impurity B-13C3 (L-Cysteine-13C3), CAS: 52-90-4 (non-labelled), stock 9.4g, assay 97.4%, Formula 13C3 H7NO2S, Molecular Weight 124.13.

Name: Deltamethrin, CAS: 52918-63-5, stock 6.9g, assay 97.7%, Formula C22H19Br2NO3, Molecular Weight 505.21.

Name: Gimeracil Impurity 13, CAS: 529-19-1, stock 9.6g, assay 98.9%, Formula C8H7N, Molecular Weight 117.15.

Name: tert-butyl 2-bromoacetate, CAS: 5292-43-3, stock 6.1g, assay 97.5%, Formula C6H11BrO2, Molecular Weight 195.06.

Name: Myricetin, CAS: 529-44-2, stock 4.1g, assay 97.1%, Formula C15H10O8, Molecular Weight 318.24.

Name: Ranolazine Impurity 1, CAS: 5294-61-1 (free base), stock 8.8g, assay 97.3%, Formula C14H21N3O . HCl, Molecular Weight 247.34 36.46.

Name: Beloranib Hemioxalate, CAS: 529511-79-3, stock 5.5g, assay 97.5%, Formula C29H41NO6 . 1/2C2H2O4, Molecular Weight 499.65 40.02.

Name: Digoxin EP Impurity F, CAS: 5297-05-2, stock 4.5g, assay 98.1%, Formula C35H54O11, Molecular Weight 650.81.

Name: Succinyl Monocholine Chloride, CAS: 5297-17-6, stock 6.5g, assay 97.4%, Formula C9H18NO4. Cl, Molecular Weight 204.25 35.45.

Name: Methotrexate EP Impurity L (N-(4-Methylaminobenzoyl)-L-Glutamic Acid), CAS: 52980-68-4, stock 3.2g, assay 97.1%, Formula C13H16N2O5, Molecular Weight 280.28.

Name: Pyridoxamine-5'-phosphate, CAS: 529-96-4, stock 5.9g, assay 98.2%, Formula C8H13N2O5P, Molecular Weight 248.18.

Name: L-Tyrosine benzyl ester, CAS: 5299-86-7, stock 5.2g, assay 98.5%, Formula C16H17NO3, Molecular Weight 271.32.

Name: 9-cis Retinoic acid, CAS: 5300-03-8, stock 6.7g, assay 98.4%, Formula C20H28O2, Molecular Weight 300.44.

Name: Tretinoin EP Impurity D (Isotretinoin EP Impurity D, 9-cis-Retinoic acid), CAS: 5300-03-8, stock 10g, assay 97.6%, Formula C20H28O2, Molecular Weight 300.44.

Name: Indacaterol Impurity 14, CAS: 530084-79-8, stock 6.6g, assay 97.9%, Formula C18H16BrNO3, Molecular Weight 374.23.

Name: Mexiletine Ketone, CAS: 53012-41-2, stock 9.2g, assay 97.1%, Formula C11H14O2, Molecular Weight 178.23.

Name: Picein (4-Acetylphenyl-D-Glucopyranoside), CAS: 530-14-3, stock 1.9g, assay 97.4%, Formula C14H18O7, Molecular Weight 298.3.

Name: 17-Desacetyl Norgestimate (Mixture of Isomers) (Norelgestromin), CAS: 53016-31-2, stock 8.2g, assay 98.8%, Formula C21H29NO2, Molecular Weight 327.47.

Name: 17-Desacetyl Norgestimate-d7 (Mixture of Isomers) (Norelgestromin-d7), CAS: 53016-31-2 (non-labelled), stock 5.1g, assay 98.3%, Formula C21H22D7NO2, Molecular Weight 334.51.

Name: Tetrahydrocortisol , CAS: 53-02-1, stock 4g, assay 98.4%, Formula C21H34O5, Molecular Weight 366.5.

Name: Tetrahydrocortisol-d6, CAS: 53-02-1 (non-labelled), stock 9.8g, assay 97.2%, Formula C21H28D6O5, Molecular Weight 372.53.

Name: Prednisone, CAS: 53-03-2, stock 6.3g, assay 97.4%, Formula C21H26O5, Molecular Weight 358.43.

Name: Tetrahydrocortisone, CAS: 53-05-4, stock 3.9g, assay 97.8%, Formula C21H32O5, Molecular Weight 364.48.

Name: Tetrahydrocortisone-d6, CAS: 53-05-4 (non-labelled), stock 2.3g, assay 97.7%, Formula C21H26D6O5, Molecular Weight 370.52.

Name: Felbamate Ethyl Impurity, CAS: 53054-24-3, stock 5.4g, assay 97.3%, Formula C13H18N2O4, Molecular Weight 266.3.

Name: Nitrendipine Impurity 1, CAS: 53055-15-5, stock 3.3g, assay 97.2%, Formula C18H20N2O6, Molecular Weight 360.37.

Name: 1,1'-Carbonyldiimidazole, CAS: 530-62-1, stock 8.1g, assay 98.2%, Formula C7H6N4O, Molecular Weight 162.15.

Name: Cortisone, CAS: 53-06-5, stock 4.4g, assay 97.7%, Formula C21H28O5, Molecular Weight 360.45.

Name: Cortisone-d2, CAS: 53-06-5 (non-d), stock 5.2g, assay 97.8%, Formula C21H26O5D2, Molecular Weight 362.47.

Name: Cortisone-d5, CAS: 53-06-5 (non-labelled), stock 2.3g, assay 97.1%, Formula C21H23D5O5, Molecular Weight 365.48.

Name: Erythromycin A 9-Methoxime, CAS: 53066-26-5, stock 3.3g, assay 97.9%, Formula C38H70N2O13, Molecular Weight 762.98.

Name: Adrenaline Impurity 5, CAS: 53074-73-0, stock 3.5g, assay 97.4%, Formula C8H7ClO2, Molecular Weight 170.59.

Name: Acetylsalicylic Acid EP Impurity D (Acetylsalicylsalicylic Acid), CAS: 530-75-6, stock 9.4g, assay 98.1%, Formula C16H12O6, Molecular Weight 300.27.

Name: Flufenamic Acid, CAS: 530-78-9, stock 8.7g, assay 98.7%, Formula C14H10F3NO2, Molecular Weight 281.24.

Name: Flufenamic Acid-d4, CAS: 530-78-9 (non-d), stock 7.2g, assay 97.9%, Formula C14H6F3NO2D4, Molecular Weight 285.26.

Name: Piperazine Impurity 3 (1-Ethylpiperazine), CAS: 5308-25-8, stock 5.1g, assay 98.1%, Formula C6H14N2, Molecular Weight 114.19.

Name: Theophylline Impurity 8, CAS: 5309-70-6, stock 7.7g, assay 97.7%, Formula C4H5BrO2, Molecular Weight 164.99.

Name: Cyclo (His-Pro), CAS: 53109-32-3, stock 2.6g, assay 97.6%, Formula C11H14N4O2, Molecular Weight 234.26.

Name: Coproporphyrin I-d8, CAS: 531-14-6 (non-labelled), stock 8.2g, assay 97.9%, Formula C36H30D8N4O8, Molecular Weight 662.77.

Name: Rapamycin (Sirolimus), CAS: 53123-88-9, stock 3g, assay 97.9%, Formula C51H79NO13, Molecular Weight 914.19.

Name: Coniferoside, CAS: 531-29-3, stock 2.6g, assay 97.9%, Formula C16H22O8, Molecular Weight 342.35.

Name: Scopolin, CAS: 531-44-2, stock 1.3g, assay 98.2%, Formula C16H18O9, Molecular Weight 354.32.

Name: Iloperidone Impurity 13, CAS: 531524-17-1, stock 7.3g, assay 98.1%, Formula C24H25FN4O2, Molecular Weight 420.49.

Name: Azure A, CAS: 531-53-3, stock 1.4g, assay 98.6%, Formula C14H14N3S. Cl, Molecular Weight 256.35 35.45.

Name: Azure B, CAS: 531-55-5, stock 1.4g, assay 98.1%, Formula C15H16N3S. Cl, Molecular Weight 270.37 35.45.

Name: Azure C, CAS: 531-57-7, stock 5g, assay 98.9%, Formula C13H12N3S. Cl, Molecular Weight 242.32 35.45.

Name: 1-Hydroxypyrene, CAS: 5315-79-7, stock 5.1g, assay 97.7%, Formula C16H10O, Molecular Weight 218.26.

Name: Delphinidin 3-Sambubioside Chloride, CAS: 53158-73-9, stock 3.8g, assay 98%, Formula C26H29O16. Cl, Molecular Weight 597.50 35.45.

Name: Aesculetin-7-O-D-Glucopyranoside, CAS: 531-58-8, stock 7.3g, assay 98.4%, Formula C15H16O9, Molecular Weight 340.29.

Name: 7-Methoxy Coumarin, CAS: 531-59-9, stock 2g, assay 97.1%, Formula C10H8O3, Molecular Weight 176.17.

Name: Acemetacin, CAS: 53164-05-9, stock 7g, assay 98%, Formula C21H18ClNO6, Molecular Weight 415.83.

Name: Estrone, CAS: 53-16-7, stock 3.8g, assay 98.1%, Formula C18H22O2, Molecular Weight 270.37.

Name: Perazine DiHCl, CAS: 5317-37-3, stock 8g, assay 97.8%, Formula C20H25N3S. 2 HCl, Molecular Weight 339.51 2 36.46.

Name: rac-Melphalan-d8, CAS: 531-76-0 (non-labelled), stock 7.6g, assay 97.6%, Formula C13H10D8Cl2N2O2, Molecular Weight 313.25.

Name: Sisomicin Sulfate, CAS: 53179-09-2, stock 7.3g, assay 98.3%, Formula 2 C19H37N5O7 . 5 H2O4S, Molecular Weight 2 447.54 5 98.08.

Name: Pirfenidone, CAS: 53179-13-8, stock 5.7g, assay 97.6%, Formula C12H11NO, Molecular Weight 185.23.

Name: Deltamethrin Related Compound 1 (Bacisthemic Acid), CAS: 53179-78-5, stock 8.4g, assay 98.9%, Formula C8H10Br2O2, Molecular Weight 297.98.

Name: Phenylbutazone Impurity E, CAS: 531-85-1, stock 2.4g, assay 98%, Formula C12H12N2 . 2HCl, Molecular Weight 184.24  2x36.46.

Name: Fagomine, CAS: 53185-12-9, stock 7.7g, assay 97.7%, Formula C6H13NO3, Molecular Weight 147.18.

Name: Mitotane, CAS: 53-19-0, stock 5.8g, assay 98%, Formula C14H10Cl4, Molecular Weight 320.05.

Name: Mitotane-d4, CAS: 53-19-0 (non-labelled), stock 4.8g, assay 97.4%, Formula C14H6D4Cl4, Molecular Weight 324.06.

Name: Methocarbamol, CAS: 532-03-6, stock 2.7g, assay 97.1%, Formula C11H15NO5, Molecular Weight 241.25.

Name: Methocarbamol-d5, CAS: 532-03-6(non-d), stock 4.4g, assay 98.7%, Formula C11H10D5NO5, Molecular Weight 246.28.

Name: Pinaverium Impurity 4, CAS: 53207-00-4, stock 6.9g, assay 97.1%, Formula C9H10Br2O2, Molecular Weight 309.99.

Name: Firocoxib Impurity 1, CAS: 53207-58-2, stock 8.9g, assay 98.2%, Formula C11H14OS, Molecular Weight 194.29.

Name: Myosmine, CAS: 532-12-7, stock 9.2g, assay 97.4%, Formula C9H10N2, Molecular Weight 146.19.

Name: Meclizine Impurity 6 DiHCl, CAS: 5321-61-9; 5321-48-2 (free base), stock 4.6g, assay 99%, Formula C12H18N2 . 2 HCl, Molecular Weight 190.29 2 36.46.

Name: Meclizine Impurity 1 DiHCl, CAS: 5321-65-3, stock 2.7g, assay 98.6%, Formula C20H26N2. 2 HCl, Molecular Weight 294.44 2 36.46.

Name: Tropinone, CAS: 532-24-1, stock 3g, assay 98.5%, Formula C8H13NO, Molecular Weight 139.2.

Name: Sodium Benzoate, CAS: 532-32-1, stock 9g, assay 98.7%, Formula C7H5O2. Na, Molecular Weight 121.12 22.99.

Name: Thiamine Phosphate, CAS: 532-40-1; 273724-21-3 (Dihydrate), stock 3.9g, assay 97.9%, Formula C12H18N4O4PS. Cl, Molecular Weight 345.34 35.45.

Name: Formoterol EP Impurity I, CAS: 532414-36-1, stock 3.1g, assay 97%, Formula C19H24N2O4, Molecular Weight 344.41.

Name: Azelastine EP Impurity C, CAS: 53242-76-5, stock 2.2g, assay 97.3%, Formula C15H11ClO3, Molecular Weight 274.7.

Name: Azelastine EP Impurity D, CAS: 53242-89-9, stock 4.5g, assay 98.7%, Formula C15H11ClN2O, Molecular Weight 270.72.

Name: 4-Sulphamoyl-2-chlorobenzoic acid, CAS: 53250-84-3, stock 2.6g, assay 98.5%, Formula C7H6ClNO4S, Molecular Weight 235.64.

Name: Pinaverium Bromide, CAS: 53251-94-8, stock 7g, assay 97%, Formula C26H41BrNO4. Br, Molecular Weight 511.52 79.90.

Name: Pinaverium-d4 Bromide, CAS: 53251-94-8 (non-labelled), stock 6.7g, assay 97.4%, Formula C26H37BrNO4D4. Br, Molecular Weight 515.55 79.90.

Name: Ethylcyclotene, CAS: 53263-58-4, stock 7.1g, assay 98.6%, Formula C8H12O2, Molecular Weight 140.18.

Name: Cibenzoline, CAS: 53267-01-9, stock 4g, assay 97.7%, Formula C18H18N2, Molecular Weight 262.36.

Name: Sulfamic Acid, CAS: 5329-14-6, stock 4.3g, assay 97.3%, Formula H3NO3S, Molecular Weight 97.09.

Name: Bis(2-Propylheptyl) Phthalate, CAS: 53306-54-0, stock 7.5g, assay 97.6%, Formula C28H46O4, Molecular Weight 446.68.

Name: Hydrochlordecone, CAS: 53308-47-7, stock 1.2g, assay 98.7%, Formula C10HCl9O, Molecular Weight 456.17.

Name: 6-Gingerdiol, CAS: 53318-09-5, stock 2.3g, assay 98.6%, Formula C17H28O4, Molecular Weight 296.41.

Name: Pinaverium Bromide Impurity 6 HCl, CAS: 53330-19-1, stock 6.3g, assay 98%, Formula C17H31NO2. HCl, Molecular Weight 281.44 36.46.

Name: Sesamol (Paroxetine Anhydrous EP Impurity B), CAS: 533-31-3, stock 5g, assay 98%, Formula C7H6O3, Molecular Weight 138.12.

Name: Allopurinol EP Impurity A, CAS: 5334-31-6, stock 7.7g, assay 98.9%, Formula C4H6N4O, Molecular Weight 126.12.

Name: Clomethiazolum, CAS: 533-45-9, stock 1.1g, assay 98.2%, Formula C6H8ClNS, Molecular Weight 161.65.

Name: Clomethiazole-d7, CAS: 533-45-9 (non-labelled), stock 7g, assay 97.7%, Formula C6HD7ClNS, Molecular Weight 168.69.

Name: Dapsone Impurity 9, CAS: 53347-49-2, stock 7.8g, assay 98.9%, Formula C12H12N2O2S, Molecular Weight 248.3.

Name: Hydrocortisone Impurity D, CAS: 53-35-0, stock 9.4g, assay 97.2%, Formula C21H30O6, Molecular Weight 378.47.

Name: Methylprednisolone EP Impurity J (Methylprednisolone Acetate), CAS: 53-36-1, stock 3g, assay 97.6%, Formula C24H32O6, Molecular Weight 416.51.

Name: N-Nitrosodibenzylamine, CAS: 5336-53-8, stock 7.8g, assay 98%, Formula C14H14N2O, Molecular Weight 226.28.

Name: Cladribine Impurity E, CAS: 533-67-5, stock 3.8g, assay 97.9%, Formula C5H10O4, Molecular Weight 134.13.

Name: Carteolol HCl Impurity H HCl, CAS: 53371-79-2, stock 1.7g, assay 97.4%, Formula C16H22N2O3. HCl, Molecular Weight 290.37 36.46.

Name: 1,2,4-Trihydroxybenzene, CAS: 533-73-3, stock 4.7g, assay 97.8%, Formula C6H6O3, Molecular Weight 126.11.

Name: Tolperisone Impurity 4 (4-Methylpropiophenone), CAS: 5337-93-9, stock 1.9g, assay 97.1%, Formula C10H12O, Molecular Weight 148.21.

Name: N-Acetyl Benzocaine, CAS: 5338-44-3, stock 5.4g, assay 98.8%, Formula C11H13NO3, Molecular Weight 207.23.

Name: Adamantane Impurity 1 (1-Bromo-3,5,7-Trimethyl Adamantane), CAS: 53398-55-3, stock 8.7g, assay 97.8%, Formula C13H21Br, Molecular Weight 257.22.

Name: Serinol, CAS: 534-03-2, stock 4.4g, assay 98.7%, Formula C3H9NO2, Molecular Weight 91.11.

Name: Serinol-d5, CAS: 534-03-2 (non-labelled), stock 1.8g, assay 97.9%, Formula C3H4D5NO2, Molecular Weight 96.14.

Name: Serinol-d4, CAS: 534-03-2 (non-labelled), stock 6g, assay 98.5%, Formula C3H5D4NO2, Molecular Weight 95.13.

Name: Valproic Acid EP Impurity J, CAS: 5340-48-7, stock 5.6g, assay 97.6%, Formula C11H21N, Molecular Weight 167.3.

Name: Nizatidine Impurity 1, CAS: 534-07-6, stock 1.1g, assay 97.5%, Formula C3H4Cl2O, Molecular Weight 126.96.

Name: 2-Methylfuran, CAS: 534-22-5, stock 8.8g, assay 98.7%, Formula C5H6O, Molecular Weight 82.1.

Name: 2-Methyl-2-imidazoline, CAS: 534-26-9, stock 3.1g, assay 97.3%, Formula C4H8N2, Molecular Weight 84.12.

Name: Abiraterone Impurity 8, CAS: 53-43-0, stock 4.8g, assay 98.9%, Formula C19H28O2, Molecular Weight 288.43.

Name: Valproic Acid EP Impurity K, CAS: 5343-52-2, stock 6g, assay 97.2%, Formula C8H16O2, Molecular Weight 144.21.

Name: Ephedrine Impurity 1 (L-Phenylacetyl Carbinol), CAS: 53439-91-1, stock 4.5g, assay 97.4%, Formula C9H10O2, Molecular Weight 150.18.

Name: Tetracaine Impurity 4 (2-Aminobenzyl Alcohol), CAS: 5344-90-1, stock 1.3g, assay 97.1%, Formula C7H9NO, Molecular Weight 123.16.

Name: (3S)-3-Hydroxy Quinidine, CAS: 53467-23-5, stock 4.2g, assay 97.3%, Formula C20H24N2O3, Molecular Weight 340.43.

Name: Meperidine-d4, CAS: 53484-73-4, stock 7.9g, assay 98%, Formula C15H17D4NO2, Molecular Weight 251.3.

Name: Diphenhydramine EP Impurity A HCl (Dimenhydrinate EP Impurity F HCl), CAS: 53499-40-4, stock 9.1g, assay 97.4%, Formula C16H19NO. HCl, Molecular Weight 241.34 36.46.

Name: Cilnidipine Impurity 5, CAS: 5349-99-5, stock 8g, assay 98.4%, Formula C12H18O6, Molecular Weight 258.27.

Name: 4-Hydroxybenzhydrazide, CAS: 5351-23-5, stock 6.5g, assay 98%, Formula C7H8N2O2, Molecular Weight 152.15.

Name: Scopolamine EP Impurity C (Scopolamine EP Impurity B) (Aposcopolamine), CAS: 535-26-2, stock 3.5g, assay 97.5%, Formula C17H19NO3, Molecular Weight 285.34.

Name: Digoxin EP Impurity D, CAS: 5352-63-6, stock 8.5g, assay 98.9%, Formula C29H44O8, Molecular Weight 520.66.

Name: Tretinoin EP Impurity B (9,13-di-cis-Retinoic Acid), CAS: 5352-74-9, stock 3.3g, assay 98.2%, Formula C20H28O2, Molecular Weight 300.44.

Name: 9,13-Di-cis-Retinoic Acid-13C-d3, CAS: 5352-74-9 (non-d), stock 6.7g, assay 98.5%, Formula C20H25O2D3, Molecular Weight 304.45.

Name: Trimetazidine EP Impurity H, CAS: 53531-01-4, stock 2.6g, assay 97.2%, Formula C17H26N2O5, Molecular Weight 338.4.

Name: Diaveridine, CAS: 5355-16-8, stock 8g, assay 97.9%, Formula C13H16N4O2, Molecular Weight 260.3.

Name: Avanafil Impurity 32, CAS: 53554-29-3, stock 9.8g, assay 97.4%, Formula C8H10N2O3S, Molecular Weight 214.24.

Name: Digoxin EP Impurity J, CAS: 5355-48-6, stock 7.2g, assay 98.5%, Formula C43H66O15, Molecular Weight 823.

Name: Myristoyl-L-Glutamic Acid, CAS: 53576-52-6, stock 6g, assay 98.7%, Formula C19H35NO5, Molecular Weight 357.49.

Name: Bupropion Impurity (3-Chlorobenzoic Acid), CAS: 535-80-8, stock 5.5g, assay 98.2%, Formula C7H5ClO2, Molecular Weight 156.57.

Name: Trigoneline, CAS: 535-83-1, stock 5g, assay 98%, Formula C7H7NO2, Molecular Weight 137.14.

Name: (E)-gamma-bisabolene, CAS: 53585-13-0, stock 3.3g, assay 97.6%, Formula C15H24, Molecular Weight 204.36.

Name: 1,2-Dibenzyl-3-methyl-benzene, CAS: 53585-53-8, stock 3.2g, assay 98.5%, Formula C21H20, Molecular Weight 272.39.

Name: 6-beta-Hydroxycortisol Sulfate, CAS: 53587-06-7, stock 2.8g, assay 97.8%, Formula C21H30O9S, Molecular Weight 458.53.

Name: Levodopa-d3, CAS: 53587-29-4, stock 9.4g, assay 98.1%, Formula C9H8NO4D3, Molecular Weight 200.21.

Name: N蠅-Hydroxy-L-arginine monoacetate, CAS: 53598-01-9, stock 1.2g, assay 97.2%, Formula C6H14N4O3. C2H4O2, Molecular Weight 190.20 60.05.

Name: Promazine HCl (Chlorpromazine EP Impurity C HCl), CAS: 53-60-1, stock 7.7g, assay 97.7%, Formula C17H20N2S. HCl, Molecular Weight 284.42 36.46.

Name: Phenyramidol Glucuronide (Mixture of Diastereomers), CAS: 53607-81-1, stock 4.1g, assay 98.4%, Formula C19H22N2O7, Molecular Weight 390.39.

Name: Digallic Acid, CAS: 536-08-3, stock 6.7g, assay 97.1%, Formula C14H10O9, Molecular Weight 322.23.

Name: Nor-Desoxycholic Acid, CAS: 53608-86-9, stock 2.9g, assay 98.2%, Formula C23H38O4, Molecular Weight 378.56.

Name: 5-(4-Dimethylaminobenzylidene)rhodanine, CAS: 536-17-4, stock 2.2g, assay 97.3%, Formula C12H12N2OS2, Molecular Weight 264.37.

Name: Ethionamide Sulfoxide, CAS: 536-28-7, stock 5.6g, assay 97.4%, Formula C8H10N2OS, Molecular Weight 182.25.

Name: Ethionamide, CAS: 536-33-4, stock 6g, assay 99%, Formula C8H10N2S, Molecular Weight 166.25.

Name: Pridinol Impurity 1, CAS: 53639-82-0, stock 4.8g, assay 98.7%, Formula C21H27NO3S, Molecular Weight 373.51.

Name: Ezetimibe Hydroxy Glucuronide, CAS: 536709-33-8, stock 5.4g, assay 98%, Formula C30H29F2NO9, Molecular Weight 585.56.

Name: Ethynylbenzene, CAS: 536-74-3, stock 8.8g, assay 98.9%, Formula C8H6, Molecular Weight 102.14.

Name: Nicotinic Acid Related Compound (3-Ethylpyridine), CAS: 536-78-7, stock 3.8g, assay 98%, Formula C7H9N, Molecular Weight 107.16.

Name: 4-Ethyl-2-Methylpyridine, CAS: 536-88-9, stock 8.1g, assay 98.1%, Formula C8H11N, Molecular Weight 121.18.

Name: Trazodone Impurity 8, CAS: 53689-10-4, stock 8.3g, assay 97.9%, Formula C13H18Cl2N4O, Molecular Weight 317.21.

Name: Mexiletine-d3 HCl, CAS: 5370-01-4 (non-labelled), stock 4.3g, assay 98.8%, Formula C11H14NOD3. HCl, Molecular Weight 182.28 36.46.

Name: Leuprolide (Leuprorelin), CAS: 53714-56-0, stock 9.1g, assay 98.7%, Formula C59H84N16O12, Molecular Weight 1209.42.

Name: Tegafur Impurity 2, CAS: 5371-52-8, stock 4g, assay 98.3%, Formula C4H8O2, Molecular Weight 88.11.

Name: Carprofen, CAS: 53716-49-7, stock 3.5g, assay 98.2%, Formula C15H12ClNO2, Molecular Weight 273.72.

Name: Oxfendazole, CAS: 53716-50-0, stock 7.7g, assay 98.3%, Formula C15H13N3O3S, Molecular Weight 315.35.

Name: Hyoscyamine EP Impurity E (Hyoscyamine USP Related Compound A, Norhyoscyamine), CAS: 537-29-1, stock 5.9g, assay 97.7%, Formula C16H21NO3, Molecular Weight 275.35.

Name: Luteolin 7-O-Glucoside, CAS: 5373-11-5, stock 1.9g, assay 97.1%, Formula C21H20O11, Molecular Weight 448.38.

Name: N,N-Diethyl-4-nitrosoaniline HCl, CAS: 53743-85-4, stock 6.8g, assay 99%, Formula C10H14N2O. HCl, Molecular Weight 178.24 36.46.

Name: 2,6-Dibromoquinone-4-chloroimide, CAS: 537-45-1, stock 7g, assay 98%, Formula C6H2Br2ClNO, Molecular Weight 299.35.

Name: Sugammadex Impurity 3, CAS: 53784-84-2, stock 8.3g, assay 97.3%, Formula C48H72Br8O32, Molecular Weight 1800.3.

Name: Domperidone EP Impurity A, CAS: 53786-28-0, stock 6.7g, assay 97.3%, Formula C12H14ClN3O, Molecular Weight 251.72.

Name: Domperidone Impurity 2, CAS: 53786-44-0, stock 9.2g, assay 98.1%, Formula C14H18ClN3O4, Molecular Weight 327.77.

Name: Domperidone Impurity 3, CAS: 53786-45-1, stock 1.3g, assay 98.6%, Formula C14H20ClN3O2, Molecular Weight 297.78.

Name: Ribostamycin, CAS: 53797-35-6 (Sulfate); 25546-65-0 (free base), stock 1.9g, assay 97.3%, Formula C17H34N4O10, Molecular Weight 454.48.

Name: Acotiamide related compound 4, CAS: 53811-44-2, stock 6.3g, assay 98.9%, Formula C10H13ClO3, Molecular Weight 216.67.

Name: Glyceryl Tridodecanoate, CAS: 538-24-9, stock 1.2g, assay 98.3%, Formula C39H74O6, Molecular Weight 639.02.

Name: Carbidopa Impurity 1, CAS: 53832-94-3, stock 8.1g, assay 97.5%, Formula C10H12O4, Molecular Weight 196.2.

Name: 6-Thioinosine Phosphate, CAS: 53-83-8, stock 3.1g, assay 98%, Formula C10H13N4O7PS, Molecular Weight 364.27.

Name: Viaminate, CAS: 53839-71-7, stock 1.2g, assay 98%, Formula C29H37NO3, Molecular Weight 447.62.

Name: 3-Phenoxy-1,2-propanediol, CAS: 538-43-2, stock 5.8g, assay 98.5%, Formula C9H12O3, Molecular Weight 168.19.

Name: Flavaprenin (8-Prenylnaringenin, Sophorafl), CAS: 53846-50-7, stock 4.8g, assay 97.7%, Formula C20H20O5, Molecular Weight 340.38.

Name: Nicotinamide Adenine Dinucleotide, CAS: 53-84-9, stock 2.1g, assay 98.8%, Formula C21H27N7O14P2, Molecular Weight 664.43.

Name: Ezetimibe Impurity 60, CAS: 538-51-2, stock 1.7g, assay 98.9%, Formula C13H11N, Molecular Weight 181.24.

Name: Iron Polymaltose, CAS: 53858-86-9, stock 6.8g, assay 98.4%, Formula C12H22O11. FeH3O3, Molecular Weight 342.30 106.87.

Name: Indomethacin, CAS: 53-86-1, stock 1.8g, assay 98.6%, Formula C19H16ClNO4, Molecular Weight 357.8.

Name: Cisplatin Impurity 1, CAS: 53861-42-0, stock 2.9g, assay 97.8%, Formula [Pt Cl(H20)(NH3)2], Molecular Weight 282.61.

Name: Spironolactone EP Impurity H, CAS: 53866-24-3, stock 2.6g, assay 98.4%, Formula C20H26O2, Molecular Weight 298.43.

Name: Estrone-d4, CAS: 53866-34-5, stock 3.2g, assay 98.7%, Formula C18H18O2D4, Molecular Weight 274.4.

Name: Permethrin EP Impurity E (3-Phenoxy Benzylchloride), CAS: 53874-66-1, stock 7g, assay 99%, Formula C13H11ClO, Molecular Weight 218.68.

Name: Bestatin Impurity 10, CAS: 538-75-0, stock 6.9g, assay 98%, Formula C13H22N2, Molecular Weight 206.33.

Name: Mefenamic Acid Impurity 3, CAS: 53877-42-2, stock 4.8g, assay 98.9%, Formula C16H19N3, Molecular Weight 253.35.

Name: Clopidogrel Impurity 3, CAS: 53885-64-6, stock 5.9g, assay 97.5%, Formula C14H11ClNS. Cl, Molecular Weight 260.76 35.45.

Name: Tranilast, CAS: 53902-12-8, stock 2.6g, assay 98.4%, Formula C18H17NO5, Molecular Weight 327.34.

Name: Paracetamol EP Impurity J, CAS: 539-03-7, stock 9.8g, assay 97.6%, Formula C8H8ClNO, Molecular Weight 169.61.

Name: Baclofen Impurity 4, CAS: 53911-68-5, stock 3.6g, assay 97.9%, Formula C11H9ClO3, Molecular Weight 224.64.

Name: Clonidine EP Impurity A, CAS: 5391-39-9, stock 3.5g, assay 97%, Formula C5H8N2O2, Molecular Weight 128.13.

Name: 1,3-Diacetyl-2-Imidazolidinone, CAS: 5391-40-2, stock 2.5g, assay 98.8%, Formula C7H10N2O3, Molecular Weight 170.17.

Name: N,N-Dimethyltyramine, CAS: 539-15-1, stock 4.7g, assay 97.7%, Formula C10H15NO, Molecular Weight 165.24.

Name: Venlafaxine Impurity (4-(2-(Dimethylamino)ethyl)-Phenol), CAS: 539-15-1, stock 3.3g, assay 97.8%, Formula C10H15NO, Molecular Weight 165.24.

Name: Tizanidine Impurity 4, CAS: 5391-52-6, stock 5.4g, assay 97.8%, Formula C5H8N2OS, Molecular Weight 144.19.

Name: Ambazone, CAS: 539-21-9, stock 1.3g, assay 98.1%, Formula C8H11N7S, Molecular Weight 237.29.

Name: Cyanidin 3-Sambubioside-5-Glucoside Chloride, CAS: 53925-33-0, stock 4.5g, assay 97.7%, Formula C32H39O20, Molecular Weight 743.64.

Name: Thioridazine EP Impurity D (Mixture of Diastereomers), CAS: 53926-89-9, stock 5.9g, assay 98.5%, Formula C21H26N2O2S2, Molecular Weight 402.57.

Name: Sulindac Related Compund A, CAS: 53933-60-1, stock 8.7g, assay 97.5%, Formula C20H17FO3S, Molecular Weight 356.42.

Name: trans-Sulindac-d7, CAS: 53933-60-1 (non-d), stock 3g, assay 97.1%, Formula C20H10FO3SD7, Molecular Weight 363.46.

Name: Piracetam EP Impurity D, CAS: 53934-76-2, stock 3.9g, assay 98.8%, Formula C6H9NO3, Molecular Weight 143.14.

Name: Acetazolamide EP Impurity B, CAS: 5393-55-5, stock 5.2g, assay 98.7%, Formula C4H5N3OS, Molecular Weight 143.17.

Name: Edaravone Impurity 13, CAS: 5393-61-3, stock 1.8g, assay 98.4%, Formula C10H10N2O2, Molecular Weight 190.2.

Name: Pranoprofen Impurity 1, CAS: 53944-31-3, stock 7.3g, assay 97.4%, Formula C14H11NO2, Molecular Weight 225.25.

Name: Linezolid Impurity 52, CAS: 5394-50-3, stock 4.2g, assay 97.8%, Formula C16H16N2O4, Molecular Weight 300.31.

Name: Ibuprofen EP Impurity L, CAS: 53949-53-4, stock 5.4g, assay 98.5%, Formula C13H18O3, Molecular Weight 222.28.

Name: 1,1芒聙聶-Carbonyldipiperidine, CAS: 5395-04-0, stock 6.8g, assay 98.9%, Formula C11H20N2O, Molecular Weight 196.29.

Name: Piribedil N-Oxide, CAS: 53954-71-5, stock 9.5g, assay 97.3%, Formula C16H18N4O3, Molecular Weight 314.35.

Name: Ammonium Glycyrrhizate, CAS: 53956-04-0, stock 5.8g, assay 98.6%, Formula C42H62O16.NH3, Molecular Weight 822.95   17.03.

Name: Trimetazidine EP Impurity I DiHCl, CAS: 53960-20-6, stock 6.3g, assay 97.6%, Formula C15H24N2O3. 2 HCl, Molecular Weight 280.37 2 36.46.

Name: Ametryn Impurity 3 (GS 26831), CAS: 5397-01-3, stock 5.2g, assay 97.7%, Formula C4H7N5S, Molecular Weight 157.2.

Name: Micafungin Impurity D, CAS: 539823-80-8, stock 6.7g, assay 97.9%, Formula C56H71N9O20, Molecular Weight 1190.24.

Name: 2-Ethylbutyraldehyde Oxime, CAS: 5399-18-8, stock 1.8g, assay 98.7%, Formula C6H13NO, Molecular Weight 115.18.

Name: Cefaclor EP Impurity B, CAS: 53994-69-7, stock 5g, assay 97.1%, Formula C7H7ClN2O3S, Molecular Weight 234.65.

Name: Cefaclor, CAS: 53994-73-3, stock 8g, assay 97.9%, Formula C15H14ClN3O4S, Molecular Weight 367.8.

Name: trans-Phytoene , CAS: 540-04-5, stock 1.9g, assay 97.8%, Formula C40H64, Molecular Weight 544.95.

Name: Alogliptin Impurity 17, CAS: 54012-73-6, stock 5.4g, assay 99%, Formula C5H12N2, Molecular Weight 100.17.

Name: Desogestrel Impurity 3, CAS: 54024-10-1, stock 9.4g, assay 98.2%, Formula C21H26O2, Molecular Weight 310.44.

Name: Desogestrel EP Impurity B, CAS: 54024-12-3, stock 5.1g, assay 98.5%, Formula C21H28O, Molecular Weight 296.45.

Name: Etonogestrel Related Compound A, CAS: 54024-17-8, stock 1.4g, assay 97.5%, Formula C20H26O2, Molecular Weight 298.43.

Name: Desogestrel, CAS: 54024-22-5, stock 7.3g, assay 98.1%, Formula C22H30O, Molecular Weight 310.48.

Name: Albendazole EP Impurity B (Albendazole Sulfoxide, Ricobendazole), CAS: 54029-12-8, stock 4.3g, assay 97.7%, Formula C12H15N3O3S, Molecular Weight 281.33.

Name: Albendazole Sulfoxde-d3, CAS: 54029-12-8 (non-labelled), stock 7.5g, assay 97.3%, Formula C12H12D3N3O3S, Molecular Weight 284.35.

Name: Albendazole EP Impurity B-d7 (Albendazole Sulfoxide-d7), CAS: 54029-12-8 (non-labelled), stock 4g, assay 98.2%, Formula C12H8D7N3O3S, Molecular Weight 288.37.

Name: Oxfendazole EP Impurity B (Fenbendazole Sulfone), CAS: 54029-20-8, stock 9.8g, assay 98.8%, Formula C15H13N3O4S, Molecular Weight 331.35.

Name: Albendazole Impurity 5 (2-Nitro-4-Thiocyanatoaniline), CAS: 54029-45-7, stock 7.8g, assay 97.1%, Formula C7H5N3O2S, Molecular Weight 195.2.

Name: Salbutamol Related Compound 3, CAS: 54030-32-9, stock 8.7g, assay 97.3%, Formula C8H8O3, Molecular Weight 152.15.

Name: Etonogestrel (3-Ketodesogestrel), CAS: 54048-10-1, stock 5.1g, assay 98.2%, Formula C22H28O2, Molecular Weight 324.46.

Name: Etonogestrel-d6 (Desogestrel EP Impurity D-d6, 3-Keto-Desogestrel-d6), CAS: 54048-10-1 (non-labelled), stock 1.2g, assay 97.6%, Formula C22H22D6O2, Molecular Weight 330.5.

Name: Erlotinib Impurity 47 (3-Ethynylailine), CAS: 54060-30-9, stock 5.6g, assay 98.3%, Formula C8H7N, Molecular Weight 117.15.

Name: Pitofenone, CAS: 54063-52-4, stock 5.2g, assay 98.7%, Formula C22H25NO4, Molecular Weight 367.45.

Name: Pitofenone-d4, CAS: 54063-52-4 (non-labelled), stock 6.1g, assay 97.7%, Formula C22H21D4NO4, Molecular Weight 371.47.

Name: Adrenochrome, CAS: 54-06-8, stock 4g, assay 98.4%, Formula C9H9NO3, Molecular Weight 179.18.

Name: Phenylephrine Impurity 1 (Adrenochrome), CAS: 54-06-8, stock 4.2g, assay 97.2%, Formula C9H9NO3, Molecular Weight 179.18.

Name: 4芒聙聶-Hydroxy Atomoxetine Glucuronide, CAS: 540729-08-6, stock 5.8g, assay 98%, Formula C23H29NO8, Molecular Weight 447.49.

Name: Tofacitinib Citrate, CAS: 540737-29-9, stock 2.5g, assay 97.2%, Formula C16H20N6O. C6H8O7, Molecular Weight 312.38 192.12.

Name: Tofacitinib-d3 Citrate, CAS: 540737-29-9 (non-labelled), stock 4g, assay 97.1%, Formula C16H17D3N6O. C6H8O7, Molecular Weight 315.40 192.12.

Name: Tofacitinib-13C-d3 Citrate, CAS: 540737-29-9 (non-labelled), stock 8g, assay 98.4%, Formula 13C C15H17D3N6O. C6H8O7, Molecular Weight 316.39 192.12.

Name: Bestatin Impurity 9, CAS: 540-88-5, stock 6.7g, assay 98.5%, Formula C6H12O2, Molecular Weight 116.16.

Name: Drotaveraldine, CAS: 54088-62-9, stock 2.7g, assay 97.8%, Formula C24H29NO5, Molecular Weight 411.5.

Name: Dipyridamole Impurity C, CAS: 54093-92-4, stock 3.1g, assay 98%, Formula C20H30ClN7O2, Molecular Weight 435.96.

Name: Atomoxetine Impurity 13, CAS: 5409-62-1, stock 3g, assay 97.7%, Formula C17H19NO. HCl, Molecular Weight 253.35 36.46.

Name: Fluoxetine Impurity 1, CAS: 5409-66-5, stock 4.2g, assay 98.5%, Formula C19H21NO2, Molecular Weight 295.38.

Name: 2,8-Dichlorodibenzofuran, CAS: 5409-83-6, stock 8.8g, assay 98.3%, Formula C12H6Cl2O, Molecular Weight 237.08.

Name: Hexamethylcyclotrisiloxane, CAS: 541-05-09, stock 6.1g, assay 97.2%, Formula C6H18O3Si3, Molecular Weight 222.46.

Name: Uranyl Acetate (Oxyacetate Uranium), CAS: 541-09-3, stock 9.1g, assay 98.1%, Formula C4H6O6U, Molecular Weight 388.12.

Name: D-Carnitine, CAS: 541-14-0, stock 9.8g, assay 98.7%, Formula C7H15NO3, Molecular Weight 161.2.

Name: Nicotine, CAS: 54-11-5, stock 2.3g, assay 98.5%, Formula C10H14N2, Molecular Weight 162.24.

Name: Carnitine (L-(-)-Carnitine), CAS: 541-15-1, stock 3.5g, assay 98.4%, Formula C7H15NO3, Molecular Weight 161.2.

Name: Glipizide Impurity 21 (Ethyl Chloroformate), CAS: 541-41-3, stock 4g, assay 97.9%, Formula C3H5ClO2, Molecular Weight 108.52.

Name: Bis(2-bromoethyl) ether, CAS: 5414-19-7, stock 9.4g, assay 98.5%, Formula C4H8Br2O, Molecular Weight 231.92.

Name: rac-Flecainide, CAS: 54143-55-4, stock 9g, assay 97.3%, Formula C17H20F6N2O3, Molecular Weight 414.35.

Name: Halobetasol Propionate Impurity 2, CAS: 541502-98-1, stock 5.8g, assay 98.8%, Formula C25H32F2O6, Molecular Weight 466.52.

Name: Acetoacetic Acid, CAS: 541-50-4, stock 9.6g, assay 97%, Formula C4H6O3, Molecular Weight 102.09.

Name: 1,3,7-Trimethyluric acid, CAS: 5415-44-1, stock 4.3g, assay 97.8%, Formula C8H10N4O3, Molecular Weight 210.19.

Name: Tryptophan Metabolite (HIAA), CAS: 54-16-0, stock 9.6g, assay 99%, Formula C10H9NO3, Molecular Weight 191.19.

Name: Glucose Impurity 1 (Mixture of isomers), CAS: 54166-09-5, stock 4.5g, assay 98.4%, Formula C6H10O5, Molecular Weight 162.14.

Name: Butenafine Impurity 7, CAS: 5418-22-4, stock 9g, assay 98.9%, Formula C23H21N, Molecular Weight 311.43.

Name: Sucralfate, CAS: 54182-58-0, stock 4g, assay 97.6%, Formula C12H54Al16O75S8, Molecular Weight 2086.67.

Name: Rilmenidine Impurity A, CAS: 54187-44-9, stock 2.3g, assay 98.4%, Formula C10H18N2O2, Molecular Weight 198.27.

Name: Cyproheptadine Impurity 3, CAS: 54191-03-6, stock 5.5g, assay 97.1%, Formula C20H19NO, Molecular Weight 289.38.

Name: Cyproheptadine Impurity 1, CAS: 54191-04-7, stock 7.9g, assay 98.7%, Formula C21H21NO, Molecular Weight 303.41.

Name: Cilostazol Related Compound A, CAS: 54197-66-9, stock 2g, assay 99%, Formula C9H9NO2, Molecular Weight 163.18.

Name: Dasatinib Impurity 29, CAS: 54198-86-6, stock 8.8g, assay 97.9%, Formula C5H3Cl3N2, Molecular Weight 197.44.

Name: Cholesterol Impurity 8, CAS: 54201-67-1, stock 7.4g, assay 98.7%, Formula C35H52N2O5S, Molecular Weight 612.87.

Name: Trifluorothymine, CAS: 54-20-6, stock 7.4g, assay 97.5%, Formula C5H3F3N2O2, Molecular Weight 180.09.

Name: (7E,9Z)-beta-Ionylidene Acetaldehyde, CAS: 54226-17-4, stock 4.8g, assay 99%, Formula C15H22O, Molecular Weight 218.34.

Name: N-Formyl Benzocaine, CAS: 5422-63-9, stock 2.9g, assay 98.6%, Formula C10H11NO3, Molecular Weight 193.2.

Name: Penehyclidine Impurity 14, CAS: 5422-88-8, stock 3.6g, assay 99%, Formula C12H14O, Molecular Weight 174.24.

Name: Nimesulide EP Impurity D, CAS: 5422-92-4, stock 2.1g, assay 97%, Formula C12H10N2O3, Molecular Weight 230.22.

Name: Cimetidine EP Impurity E (Cimetidine Sulphoxide), CAS: 54237-72-8, stock 3.2g, assay 98.6%, Formula C10H16N6OS, Molecular Weight 268.34.

Name: Nizatidine Impurity A, CAS: 54252-45-8, stock 6.5g, assay 98.6%, Formula C4H9N3O2, Molecular Weight 131.14.

Name: Travoprost Acid, CAS: 54276-17-4, stock 8.9g, assay 97.8%, Formula C23H29F3O6, Molecular Weight 458.47.

Name: Travoprost Acid-d4, CAS: 54276-17-4 (non-labelled), stock 3.3g, assay 97.8%, Formula C23H25D4F3O6, Molecular Weight 462.5.

Name: (+)-Cloprostenol, CAS: 54276-21-0, stock 2.8g, assay 98.5%, Formula C22H29ClO6, Molecular Weight 424.93.

Name: Chloroquine Impurity 1, CAS: 5428-61-5 (free base), stock 3.2g, assay 97.5%, Formula C18H26ClN3. C2H2O4, Molecular Weight 319.88 90.03.

Name: Furosemide, CAS: 54-31-9, stock 2.4g, assay 98.5%, Formula C12H11ClN2O5S, Molecular Weight 330.75.

Name: Sumatriptan Impurity 7 Sodium Salt, CAS: 54322-20-2, stock 2.1g, assay 97.2%, Formula C4H8ClO4S. Na, Molecular Weight 187.61 22.99.

Name: Dermatan Sulfate, CAS: 54328-33-5, stock 2.6g, assay 98.2%, Formula N/A, Molecular Weight N/A.

Name: Cefoxitin impurity A, CAS: 54333-94-7, stock 8.7g, assay 97.2%, Formula C15H16N2O6S2, Molecular Weight 384.43.

Name: Sulfadimethoxine Impurity 1, CAS: 5433-44-3, stock 8.1g, assay 98%, Formula C12H13N5O4S2, Molecular Weight 355.39.

Name: Meptazinol, CAS: 54340-58-8, stock 7.1g, assay 99%, Formula C15H23NO, Molecular Weight 233.36.

Name: Meptazinol-13C-d3, CAS: 54340-58-8 (non-labelled), stock 2.1g, assay 97.2%, Formula 13C C14H20D3NO, Molecular Weight 237.37.

Name: Pinaverium Bromide Impurity 2, CAS: 54370-00-2, stock 5g, assay 97.2%, Formula C9H11BrO3, Molecular Weight 247.09.

Name: Cholesterol Impurity 7 Triethylamine Salt (Desmosterol Sulfate Triethylamine Salt), CAS: 54378-86-8 (free acid), stock 1.6g, assay 98.2%, Formula C27H43O4S. C6H16N, Molecular Weight 463.71 102.20.

Name: Cyproheptadine Impurity 4, CAS: 54381-57-6, stock 1.9g, assay 97.3%, Formula C21H23NO2, Molecular Weight 321.42.

Name: Cyproheptadine Impurity 2, CAS: 54381-58-7, stock 2.8g, assay 98.8%, Formula C21H23NO2, Molecular Weight 321.42.

Name: Proparacaine Impurity 12 , CAS: 5438-19-7, stock 7.7g, assay 98.8%, Formula C10H12O3, Molecular Weight 180.08.

Name: Noscapine N-Oxide, CAS: 54383-36-7, stock 5.1g, assay 97.2%, Formula C22H23NO8, Molecular Weight 429.43.

Name: Mavoglurant, CAS: 543906-09-8, stock 7.3g, assay 97.9%, Formula C19H23NO3, Molecular Weight 313.4.

Name: Mavoglurant-d3, CAS: 543906-09-8 (non-labelled), stock 8.1g, assay 97.4%, Formula C19H20D3NO3, Molecular Weight 316.42.

Name: Albendazole Impurity 3 (2-Nitro-4-(Propylthio)-Aniline), CAS: 54393-89-4, stock 3.2g, assay 98.4%, Formula C9H12N2O2S, Molecular Weight 212.27.

Name: Cytidine-5'-Diphosphate Disodium Salt, CAS: 54394-90-0, stock 1.1g, assay 99%, Formula C9H13N3O11P2 2 Na, Molecular Weight 401.17 2x22.99.

Name: Flunixin Meglumine EP Impurity D, CAS: 54396-42-8, stock 3.7g, assay 97.3%, Formula C16H15F3N2O2, Molecular Weight 324.3.

Name: Flunixin Meglumine EP Impurity B, CAS: 54396-44-0, stock 5g, assay 97.4%, Formula C8H8F3N, Molecular Weight 175.15.

Name: Amoxicillin Impurity 1, CAS: 54397-23-8, stock 9.7g, assay 97.2%, Formula C8H10N2O2, Molecular Weight 166.18.

Name: Thromboxane B2, CAS: 54397-85-2, stock 1.7g, assay 98.7%, Formula C20H34O6, Molecular Weight 370.49.

Name: Carbocisteine S-Oxide (S-Carboxymethyl-L-Cysteine Sulfoxide), CAS: 5439-87-2, stock 4.9g, assay 97.4%, Formula C5H9NO5S, Molecular Weight 195.19.

Name: S-Carboxymethyl L-Cysteine Sulfoxide, CAS: 5439-87-2, stock 8.4g, assay 98%, Formula C5H9NO5S, Molecular Weight 195.2.

Name: Uracil Impurity 2, CAS: 5440-00-6, stock 3.1g, assay 98.6%, Formula C6H10N4O2, Molecular Weight 170.17.

Name: Diisopentyl Ether, CAS: 544-01-4, stock 1.8g, assay 97.1%, Formula C10H22O, Molecular Weight 158.29.

Name: Empenthrin (Vaporthrin), CAS: 54406-48-3, stock 2.1g, assay 97.9%, Formula C18H26O2, Molecular Weight 274.4.

Name: Atracurium Impurity 7 (R-Tetrahydropapaverine), CAS: 54417-53-7, stock 9.5g, assay 97.8%, Formula C20H25NO4, Molecular Weight 343.43.

Name: Methoxamine Impurity 20, CAS: 54419-64-6, stock 5.6g, assay 98.6%, Formula C12H16O3, Molecular Weight 208.26.

Name: Lubiprostone Related Compound 6 , CAS: 54423-47-1, stock 2.8g, assay 97.4%, Formula C8H12O4, Molecular Weight 172.18.

Name: Iguratimod Impurity 21, CAS: 544482-14-6, stock 5.2g, assay 97.7%, Formula C18H18N2O7S, Molecular Weight 406.41.

Name: Carboplatin EP Impurity B, CAS: 5445-51-2, stock 4.7g, assay 98.7%, Formula C6H8O4, Molecular Weight 144.13.

Name: Indomethacin Impurity 3 Sodium Salt, CAS: 5446-07-1, stock 6.4g, assay 98.8%, Formula C7H9N2O4S. Na, Molecular Weight 217.22 22.99.

Name: Rofecoxib-d5, CAS: 544684-93-7, stock 8.3g, assay 97.4%, Formula C17H9D5O4S, Molecular Weight 319.39.

Name: Celecoxib-d7, CAS: 544686-21-7, stock 3.7g, assay 98%, Formula C17H7D7F3N3O2S, Molecular Weight 388.42.

Name: (9E, 11E, 13E)-Octadeca-9, 11, 13-trienoic Acid, CAS: 544-73-0, stock 5.7g, assay 97.3%, Formula C18H30O2, Molecular Weight 278.44.

Name: Pyridoxal-5-Phosphate, CAS: 54-47-7, stock 9.7g, assay 98.8%, Formula C8H10NO6P, Molecular Weight 247.15.

Name: 5-Aminolevulinic Acid HCl, CAS: 5451-09-2, stock 5.7g, assay 97.9%, Formula C5H9NO3. HCl, Molecular Weight 131.13 36.46.

Name: 5-Aminolevulinic-13C2-15N Acid (ALA-13C2-15N), CAS: 5451-09-2 (non-labelled), stock 3.5g, assay 97.8%, Formula 13C2 C3H915NO3, Molecular Weight 134.11.