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Pharmaceutical Impurity Reference Standards
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- Structure:
- Chemical Name:Pitavastatin Impurity 29
- CAS:148516-15-8
- MF:C25H20FNO2
- Structure:
- Chemical Name:Rosuvastatin Related Compound 6
- CAS:521973-99-9
- MF:C13H23ClO4
- Structure:
- Chemical Name:Medetomidine impurity
- CAS:2250243-44-6
- MF:C20H22N2O
- Chemical Name:Linagliptin Impurity 51
- CAS:
- MF:
- Chemical Name:Carfilzomib Impurity YGF
- CAS:
- MF:
- Structure:
- Chemical Name:Pitavastatin Impurity 45
- CAS:1258947-29-3
- MF:C29H32FNO4
- Chemical Name:Irinotecan Impurity L
- CAS:
- MF:
- Chemical Name:Irinotecan Impurity H
- CAS:
- MF:
- Chemical Name:LCZ696（valsartan + sacubitril） impurity 27
- CAS:
- MF:
- Chemical Name:Caspofungin Impurity EJT2
- CAS:
- MF:
- Chemical Name:Tofacitinib Impurity 100
- CAS:
- MF:
- Chemical Name:Afatinib impurity 37
- CAS:
- MF:
- Chemical Name:Vildagliptin Impurity 36
- CAS:
- MF:
- Chemical Name:Butyphthalide impurity 52
- CAS:
- MF:
- Structure:
- Chemical Name:Tofacitinib Impurity 102
- CAS:1615709-90-4
- MF:C14H17ClN2
- Structure:
- Chemical Name:Pralatrexate Impurity 12
- CAS:1451250-74-0
- MF:C23H23N7O5
- Chemical Name:Pralatrexate Impurity 17
- CAS:
- MF:
- Chemical Name:Pitavastatin Impurity 49
- CAS:
- MF:
- Chemical Name:Pitavastatin Impurity 55
- CAS:
- MF:
- Chemical Name:Lenvatinib Impurity 40
- CAS:
- MF:
- Chemical Name:Tazobactam Impurity 11
- CAS:
- MF:
- Chemical Name:Crisaborole Impurity 2
- CAS:
- MF:
- Chemical Name:Canagliflozin Impurity 58
- CAS:
- MF:
- Chemical Name:Canagliflozin Impurity 63
- CAS:
- MF:
- Chemical Name:Levetiracetam Impurity 23
- CAS:
- MF:
- Chemical Name:Selexipag Impurity 4
- CAS:2928611-77-0
- MF:
- Structure:
- Chemical Name:Levosimendan Impurity 10
- CAS:134678-47-0
- MF:C11H12N2O2
- Chemical Name:Cabozantinib impurity I
- CAS:
- MF:
- Chemical Name:Rotigotine Impurity 2
- CAS:
- MF:
- Chemical Name:Rotigotine Impurity 9
- CAS:
- MF:
- Chemical Name:Olprinone Impurity 5
- CAS:
- MF:
- Structure:
- Chemical Name:Vitamin B5 Impurity 1
- CAS:897045-90-8
- MF:C12H22N2O6
- Chemical Name:Cilastatin Impurity 5
- CAS:
- MF:
- 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
- CAS:
- MF:
- Chemical Name:MeropeneM iMpurity 5
- CAS:
- MF:
- 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
- CAS:
- MF:C20H28N2O5S
- Chemical Name:Flucloxacillin Impurity 5
- CAS:
- MF:
- Chemical Name:Nitrendipine iMpurity G
- CAS:
- MF:
- 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
- CAS:
- MF:
- Chemical Name:Afatinib Impurity 68
- CAS:
- MF:
- Chemical Name:Empagliflozin Impurity 61
- CAS:
- MF:
- Chemical Name:Ipragliflozin Impurity 3
- CAS:1922933-61-6
- MF:
- Chemical Name:Isavuconazole Impurity 30
- CAS:
- MF:
- Chemical Name:Levetiracetam Impurity 27
- CAS:
- MF:
- Chemical Name:Linagliptin Impurity 58
- CAS:
- MF:
- Chemical Name:Oseltamivir Impurity 33
- CAS:
- MF:
- Chemical Name:Oseltamivir Impurity 49
- CAS:
- MF:
- Chemical Name:Palbociclib Impurity 52
- CAS:
- MF:
- Chemical Name:Palbociclib Impurity 37
- CAS:
- MF:
- Structure:
- Chemical Name:1,1-BIS-(4-ISOBUTYLPHENYL)ETHANE
- CAS:102120-87-6
- MF:C22H30
- Structure:
- Chemical Name:N-(2,4-dimethylphenyl)piperidine-2-carboxamide
- CAS:99552-32-6
- MF:C14H20N2O
- Structure:
- Chemical Name:2-Methyl-4-nitro-1H-imidazole-1-acetic acid
- CAS:16230-87-8
- MF:C6H7N3O4
- Structure:
- Chemical Name:Benzofuran-5-carboxylic acid
- CAS:90721-27-0
- MF:C9H6O3
- Structure:
- Chemical Name:7-Chloro-1,6,7,8-tetradeoxy-6-[[[(2S)-1-methyl-4β-propyl-2α-pyrrolidinyl]carbonyl]amino]-1-(methylsulfinyl)-α-L-threo-D-galacto-octopyranose
- CAS:22431-46-5
- MF:C18H33ClN2O6S
- Structure:
- Chemical Name:2-(Propylthio)-4(1H)-pyrimidinone
- CAS:54460-95-6
- MF:C7H10N2OS
- Structure:
- Chemical Name:Pazufloxacin Impurity 16
- CAS:165071-10-3
- MF:C14H10FNO6
- Chemical Name:Pimecrolimus Impurity 4
- CAS:
- MF:
- Chemical Name:Posaconazole Impurity 73
- CAS:
- MF:
- Structure:
- Chemical Name:Rosuvastatin Impurity 90
- CAS:2226413-62-1
- MF:C38H44F2N6O8S2
- Chemical Name:Tofacitinib Impurity 110
- CAS:
- MF:
- Chemical Name:Tofacitinib Impurity 115
- CAS:
- MF:
- Chemical Name:Trelagliptin Impurity 27
- CAS:
- MF:
- 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
- CAS:
- MF:C13H19N5
- Structure:
- Chemical Name:Tolvaptan Impurity 6
- CAS:1432725-24-0
- MF:C18H19ClN2O2
- Chemical Name:Esmolol impurity B
- CAS:
- MF:
- Chemical Name:Esmolol impurity F
- CAS:
- MF:
- Chemical Name:Diquafosol Impurity E
- CAS:
- MF:
- Chemical Name:Bortezomib Impurity 39
- CAS:
- MF:
- Chemical Name:Agomelatine Impurity 1
- CAS:
- MF:
- Chemical Name:Sunitinib Impurity 5
- CAS:
- MF:
- Chemical Name:Silodosin Impurity 6
- CAS:
- MF:
- Chemical Name:Erlotinib Impurity 19
- CAS:
- MF:
- Chemical Name:Ticagrelor Impurity 40
- CAS:
- MF:
- Chemical Name:Moxifloxacin Impurity 12
- CAS:
- MF:
- Chemical Name:Cabozantinib Impurity 4
- CAS:
- MF:
- Chemical Name:Lenvatinib Impurity 35
- CAS:
- MF:
- Chemical Name:Febuxostat Impurity 58
- CAS:
- MF:
- Chemical Name:Cefodizime Impurity B
- CAS:
- MF:
- Chemical Name:Cefodizime Impurity D
- CAS:
- MF:
- Chemical Name:Penicillin Impurity B
- CAS:
- MF:
- 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
- CAS:
- MF:
- Chemical Name:Cefotiam Impurity B
- CAS:
- MF:
- 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
- CAS:
- MF:
- Chemical Name:Peramivir Impurity E
- CAS:
- MF:
- Chemical Name:Lincomycin sulfoxide Impurity 3
- CAS:
- MF:
- Chemical Name:Lincomycin sulfoxide Impurity F
- CAS:
- MF:
- Chemical Name:Fasudil iMpurity F
- CAS:
- MF:
- 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
- CAS:
- MF:
- Structure:
- Chemical Name:Mupirocin Impurity 3
- CAS:
- MF:C26H44O9
- Structure:
- Chemical Name:3,4-DICHLOROBENZYLAMINE HYDROCHLORIDE
- CAS:49552-34-3
- MF:C7H8Cl3N