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Pharmaceutical Impurity Reference Standards
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- Chemical Name:
- Tazobactam Impurity 11
- Chemical Name:
- Crisaborole Impurity 2
- Chemical Name:
- Canagliflozin Impurity 58
- Chemical Name:
- Canagliflozin Impurity 63
- Chemical Name:
- Levetiracetam Impurity 23
- Structure:
- Chemical Name:
- Selexipag Impurity 4
- CAS:
- 2928611-77-0
- MF:
- C26H31N3O3
- Structure:
- Chemical Name:
- Levosimendan Impurity 10
- CAS:
- 134678-47-0
- MF:
- C11H12N2O2
- Chemical Name:
- Cabozantinib impurity I
- Chemical Name:
- Rotigotine Impurity 2
- Chemical Name:
- Rotigotine Impurity 9
- Chemical Name:
- Olprinone Impurity 5
- Structure:
- Chemical Name:
- Vitamin B5 Impurity 1
- CAS:
- 897045-90-8
- MF:
- C12H22N2O6
- Chemical Name:
- Cilastatin Impurity 5
- Structure:
- Chemical Name:
- (R)-3-(4-(2-chloro-5-iodobenzyl)phenoxy)tetrahydrofuran
- CAS:
- 2194590-02-6
- MF:
- C17H16ClIO2
- Structure:
- Chemical Name:
- Sitagliptin Impurity 69
- CAS:
- 2172430-88-3
- MF:
- C15H16F3NO4
- Chemical Name:
- Trimetazidine Impurity 8
- Chemical Name:
- MeropeneM iMpurity 5
- Structure:
- Chemical Name:
- Perindopril IMpurity 6
- CAS:
- 2163775-15-1
- MF:
- C8H15NO4
- Structure:
- Chemical Name:
- Oseltamivir Impurity 48
- CAS:
- 651324-04-8
- MF:
- C18H33NO4
- Structure:
- Chemical Name:
- Tamsulosin impurity 5
- MF:
- C20H28N2O5S
- Chemical Name:
- Flucloxacillin Impurity 5
- Chemical Name:
- Nitrendipine iMpurity G
- Structure:
- Chemical Name:
- (S)-N-(5-((S)-2-(2,5-difluorophenyl)pyrrolidin-1-yl)pyrazolo[1,5-a]pyrimidin-3-yl)-3-hydroxypyrrolidine-1-carboxamide
- CAS:
- 2409589-59-7
- MF:
- C21H22F2N6O2
- Chemical Name:
- Afatinib Impurity 53
- Chemical Name:
- Afatinib Impurity 68
- Chemical Name:
- Empagliflozin Impurity 61
- Structure:
- Chemical Name:
- Ipragliflozin Impurity 3
- CAS:
- 1922933-61-6
- MF:
- C21H21FO6S
- Chemical Name:
- Isavuconazole Impurity 30
- Chemical Name:
- Levetiracetam Impurity 27
- Chemical Name:
- Linagliptin Impurity 58
- Chemical Name:
- Oseltamivir Impurity 33
- Chemical Name:
- Oseltamivir Impurity 49
- Chemical Name:
- Palbociclib Impurity 52
- Chemical Name:
- Palbociclib Impurity 37
- Structure:
- Chemical Name:
- Pazufloxacin Impurity 16
- CAS:
- 165071-10-3
- MF:
- C14H10FNO6
- Chemical Name:
- Pimecrolimus Impurity 4
- Chemical Name:
- Posaconazole Impurity 73
- Structure:
- Chemical Name:
- Rosuvastatin Impurity 90
- CAS:
- 2226413-62-1
- MF:
- C38H44F2N6O8S2
- Chemical Name:
- Tofacitinib Impurity 110
- Chemical Name:
- Tofacitinib Impurity 115
- Chemical Name:
- Trelagliptin Impurity 27
- Structure:
- Chemical Name:
- Vildagliptin Impurity 30
- CAS:
- 918830-94-1
- MF:
- C10H17NO2
- Structure:
- Chemical Name:
- N-methyl-N-((3R,4R)-4-methylpiperidin-3-yl)-7H-pyrrolo[2,3-d] pyrimidin-2-amine
- MF:
- C13H19N5
- Structure:
- Chemical Name:
- Tolvaptan Impurity 6
- CAS:
- 1432725-24-0
- MF:
- C18H19ClN2O2
- Chemical Name:
- Esmolol impurity B
- Chemical Name:
- Esmolol impurity F
- Chemical Name:
- Diquafosol Impurity E
- Chemical Name:
- Bortezomib Impurity 39
- Chemical Name:
- Agomelatine Impurity 1
- Chemical Name:
- Sunitinib Impurity 5
- Chemical Name:
- Silodosin Impurity 6
- Chemical Name:
- Erlotinib Impurity 19
- Structure:
- Chemical Name:
- Dapoxetine Impurity 11
- CAS:
- 151649-29-5
- MF:
- C19H16O
- Chemical Name:
- Ticagrelor Impurity 40
- Structure:
- Chemical Name:
- (2R,4R)-5-(Biphenyl-4-yl)-4-[(tert-butoxycarbonyl)amino]-2-methylpentanoic acid
- CAS:
- 1012341-56-8
- MF:
- C23H29NO4
- Chemical Name:
- Alogliptin Impurity A
- Structure:
- Chemical Name:
- Linagliptin Impurity D
- CAS:
- 666816-91-7
- MF:
- C20H28N6O4
- Structure:
- Chemical Name:
- Parecoxib Impurity C
- CAS:
- 3026677-40-4
- Structure:
- Chemical Name:
- Rac Atomoxetine Hydrochloride
- CAS:
- 82857-40-7
- MF:
- C17H22ClNO
- Structure:
- Chemical Name:
- 3-(1H-imidazol-1-yl)-5-(trifluoromethyl)aniline
- CAS:
- 943320-48-7
- MF:
- C10H8F3N3
- Structure:
- Chemical Name:
- Linagliptin Impurity H
- CAS:
- 1646355-34-1
- MF:
- C22H23N7O2
- Structure:
- Chemical Name:
- Ezetimibe Impurity 54
- CAS:
- 1185883-39-9
- MF:
- C40H36F2N2O5
- Structure:
- Chemical Name:
- 2-(2-fluorophenyl)-1,3-di(1H-1,2,4-triazol-1-yl)propan-2-ol
- CAS:
- 1348664-75-4
- MF:
- C13H13FN6O
- Chemical Name:
- Dapagliflozin Impurity 2
- Chemical Name:
- Imatinib Impurity 1
- Chemical Name:
- Imatinib Impurity 6
- Structure:
- Chemical Name:
- Nifedipine Impurity 3
- MF:
- C19H22N2O6
- Chemical Name:
- Riociguat Impurtiy 5
- Chemical Name:
- Vonoprazan Impurity 6
- Structure:
- Chemical Name:
- Avibactam Impurity
- CAS:
- 1797133-98-2
- MF:
- C7H12N3NaO6S
- Structure:
- Chemical Name:
- Citalopram EP Impurity E
- CAS:
- 64169-47-7
- MF:
- C19H22Cl2FNO
- Chemical Name:
- Dapagliflozin Impurity F
- Chemical Name:
- Dapoxetine Impurity A
- Structure:
- Chemical Name:
- Entecavir Impurity
- CAS:
- 1333204-94-6
- MF:
- C12H15N5O3
- Structure:
- Chemical Name:
- Gadobutrol Impurity
- CAS:
- 71231-87-3
- MF:
- C7H15NO5
- Chemical Name:
- Lesinurad Impurity
- Chemical Name:
- Pramipexole Impurity G
- Structure:
- Chemical Name:
- Salmeterol EP Impurity A
- CAS:
- 1798014-51-3
- MF:
- C19H25NO3
- Chemical Name:
- Tacrolimus impurity D
- Chemical Name:
- Moxifloxacin Impurity 12
- Chemical Name:
- Cabozantinib Impurity 4
- Chemical Name:
- Lenvatinib Impurity 35
- Chemical Name:
- Febuxostat Impurity 58
- Chemical Name:
- Cefodizime Impurity B
- Chemical Name:
- Cefodizime Impurity D
- Chemical Name:
- Penicillin Impurity B
- Structure:
- Chemical Name:
- 4,4'-(1H-1,2,4-Triazol-1-ylmethylene)bis[benzoic acid]
- CAS:
- 1644566-39-1
- MF:
- C17H13N3O4
- Chemical Name:
- Cefminox Sodium impurity B
- Chemical Name:
- Cefotiam Impurity B
- Structure:
- Chemical Name:
- pranoprofen impurity 11
- CAS:
- 52549-44-7
- MF:
- C15H13NO4
- Structure:
- Chemical Name:
- Atorvastatin Calcium Hydrate impurity 32
- CAS:
- 2088732-01-6
- MF:
- C14H27NO4
- Chemical Name:
- Cefazolin Impurity 5
- Chemical Name:
- Peramivir Impurity E
- Chemical Name:
- Lincomycin sulfoxide Impurity 3
- Chemical Name:
- Lincomycin sulfoxide Impurity F
- Chemical Name:
- Fasudil iMpurity F
- Structure:
- Chemical Name:
- 1-cyclopropyl-8-ethoxy-6-fluoro-7-((4aS,7aS)-octahydro-6H-pyrrolo[3,4-b]pyridin-6-yl)-4-oxo-1,4-dihydroquinoline-3-carboxylic acid hydrochloride
- CAS:
- 2252446-70-9
- MF:
- C22H27ClFN3O4
- Chemical Name:
- Doxofylline iMpurity E
- Structure:
- Chemical Name:
- Mupirocin Impurity 3
- MF:
- C26H44O9
- Structure:
- Chemical Name:
- 3,4-DICHLOROBENZYLAMINE HYDROCHLORIDE
- CAS:
- 49552-34-3
- MF:
- C7H8Cl3N