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Pharmaceutical Impurity Reference Standards
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- Structure:
- Chemical Name:
- Canagliflozin Impurity 49
- CAS:
- 2243132-56-9
- MF:
- C34H35FO11S
- Chemical Name:
- Canagliflozin Impurity 55
- Chemical Name:
- Rosuvastatin Impurity 74
- Chemical Name:
- Tofacitinib Impurity 106
- Chemical Name:
- Hydroxychloroquine Impurity J
- Chemical Name:
- Levetiracetam Impurity 25
- Chemical Name:
- Levosimendan Impurity 7
- Chemical Name:
- Cabozantinib impurity K
- Chemical Name:
- Crisaborole Impurity 8
- Chemical Name:
- Trifluridine Impurity B
- Chemical Name:
- Rotigotine Impurity
- Structure:
- Chemical Name:
- Olprinone Impurity 2
- CAS:
- 106730-62-5
- MF:
- C14H12N4O2
- Chemical Name:
- Nicorandil Impurity F
- Chemical Name:
- Nicorandil Impurity A
- Chemical Name:
- Evogliptin Impurity 1
- Chemical Name:
- Ondansetron IMpurity 5
- Chemical Name:
- Plerixafor Impurity 1
- Chemical Name:
- MeropeneM iMpurity 7
- Chemical Name:
- Afatinib Impurity 50
- Structure:
- Chemical Name:
- Brexpiprazole Impurity 34
- CAS:
- 2247155-42-4
- MF:
- C25H27N3O4S
- Structure:
- Chemical Name:
- Cabozantinib Impurity 5
- CAS:
- 104330-60-1
- MF:
- C11H12FNO3
- Chemical Name:
- Dronedarone Impurity 9
- Chemical Name:
- Empagliflozin Impurity 58
- Chemical Name:
- Exemestane Impurity 6
- CAS:
- 14895-71-7
- Chemical Name:
- Gadobutrol Impurity 10
- Chemical Name:
- Linagliptin Impurity 55
- Chemical Name:
- Oseltamivir Impurity 52
- Chemical Name:
- Palbociclib Impurity 65
- Chemical Name:
- Pimecrolimus Impurity 1
- Chemical Name:
- Rosuvastatin Impurity 99
- Chemical Name:
- Terbutaline Impurity 18
- Chemical Name:
- Ticagrelor Impurity 123
- Structure:
- Chemical Name:
- Tofacitinib Impurity 112
- CAS:
- 2179757-75-4
- MF:
- C12H19N3O2
- Chemical Name:
- Trelagliptin Impurity 42
- Chemical Name:
- Carbocistein Impurity E
- Structure:
- Chemical Name:
- Tolvaptan Impurity 35
- CAS:
- 1316312-24-9
- MF:
- C10H10ClN
- Chemical Name:
- Erythromycin Impurity F
- Chemical Name:
- Apixaban Impurity 39
- Chemical Name:
- Aztreonam Impurity 1
- Chemical Name:
- Axitinib Impurity 1
- Chemical Name:
- Aprepitant Impurity 15
- Structure:
- Chemical Name:
- Trelagliptin Impurity 17
- CAS:
- 865759-02-0
- MF:
- C17H20BrFN4O2
- Chemical Name:
- Dapoxetine Impurity 1
- CAS:
- 2825577-69-1
- Chemical Name:
- Regorafenib Impurity 15
- CAS:
- 3083426-64-3
- Chemical Name:
- Flomoxef Impurity 2
- Chemical Name:
- Varenicline Impurity 2
- Chemical Name:
- Topiroxostat Impurity 5
- Chemical Name:
- Everolimus Impurity 5
- Chemical Name:
- Ibrutinib Impurity 3
- Chemical Name:
- Canagliflozin Impurity 9
- Structure:
- Chemical Name:
- Clopidogrel Impurity 14
- MF:
- C15H14ClNO2S
- Chemical Name:
- Febuxostat Impurity 53
- Chemical Name:
- Cefodizime Impurity C
- Chemical Name:
- Riociguat IMpurtiy F
- Structure:
- Chemical Name:
- (R)-3-((R)-5-(4-fluorophenyl)-5-hydroxypentanoyl)-4-phenyloxazolidin-2-one
- CAS:
- 1612153-32-8
- MF:
- C20H20FNO4
- Structure:
- Chemical Name:
- (S)-3-((R)-5-(4-fluorophenyl)-5-hydroxypentanoyl)-4-phenyloxazolidin-2-one
- CAS:
- 528565-93-7
- MF:
- C20H20FNO4
- Chemical Name:
- Posaconazole iMpurity 3
- Structure:
- Chemical Name:
- Bezafibrate Impurity D
- CAS:
- 41859-58-9
- MF:
- C21H24ClNO4
- Structure:
- Chemical Name:
- Cloxacillin Sodium EP Impurity B (Mixture of Diastereomers)
- CAS:
- 1642559-64-5
- MF:
- C18H20ClN3O4S
- Structure:
- Chemical Name:
- Ezetimibe Related Impurity 37
- CAS:
- 204589-68-4
- MF:
- C24H19F2NO2
- Structure:
- Chemical Name:
- S, R-Isovalganciclovir Impurity
- CAS:
- 1356932-18-7
- MF:
- C14H22N6O5
- Structure:
- Chemical Name:
- Sofosbuvir Impurity 8
- CAS:
- 944476-44-2
- MF:
- C24H22N2O8
- Structure:
- Chemical Name:
- 135270-13-2
- CAS:
- 135270-13-2
- MF:
- C12H11F2N3O
- Structure:
- Chemical Name:
- 1-((2'-cyanobiphenyl-4-yl)methyl)-4-methyl-2-propyl-1H-benzo[d]imidazole-6-carboxylic acid
- CAS:
- 1098100-87-8
- MF:
- C26H23N3O2
- Chemical Name:
- Fimasartan Impurity
- Structure:
- Chemical Name:
- 2-(((5-(2-fluorophenyl)-1-(pyridin-3-ylsulfonyl)-1H-pyrrol-3-yl)methyl)(methyl)amino)succinic acid
- MF:
- C21H20FN3O6S
- Structure:
- Chemical Name:
- ()-Olivil 4″-O-glucoside
- CAS:
- 76880-93-8
- MF:
- C26H34O12
- Structure:
- Chemical Name:
- 2-(DIETHYLAMINO)-N-(2,4-DIMETHYLPHENYL)ACETAMIDE
- CAS:
- 17289-53-1
- MF:
- C14H22N2O
- Structure:
- Chemical Name:
- (3RS)-3-[(Dimethylamino)methyl]-9-methyl-1,2,3,9-tetrahydro-4H-carbazol-4-one
- MF:
- C16H20N2O
- Structure:
- Chemical Name:
- 2,3,5,6-tetradeuterio-4-[5-[4-(hydroxymethyl)phenyl]-3-(trifluoromethyl)pyrazol-1-yl]benzenesulfonamide
- CAS:
- 1276524-56-1
- MF:
- C17H10D4F3N3O3S
- Structure:
- Chemical Name:
- 1,1-diphenylpropan-1-ol
- CAS:
- 5180-33-6
- MF:
- C15H16O
- Structure:
- Chemical Name:
- (R)-De(trifluoromethyl) Fluoxetine Hydrochloride
- CAS:
- 1212215-97-8
- MF:
- C16H20ClNO
- Structure:
- Chemical Name:
- (1R,5S)-1-phenyl-3-oxabicyclo[3.1.0]hexan-2-one
- CAS:
- 96847-52-8
- MF:
- C11H10O2
- Structure:
- Chemical Name:
- (1R,1'R,2S,2'S)-2,2'-[1,5-pentanediylbis[oxy(3-oxo-3,1-propanediyl)]]bis[1-[(3,4-dimethoxyphenyl)methyl]-1,2,3,4-tetrahydro-6,7-dimethoxy-2-methyl-Isoquinolinium Benzenesulfonate
- CAS:
- 96946-46-2
- MF:
- C59H77N2O15S+
- Structure:
- Chemical Name:
- (2R,3R,4R,5R)-2-(4-amino-2-oxo-1,3,5-triazin-1(2H)-yl)-4-hydroxy-5-(hydroxymethyl)tetrahydrofuran-3-yl acetate
- MF:
- C10H14N4O6
- Structure:
- Chemical Name:
- 12-ethyl-8-methyl-9-oxo-7-propionyl-9,11-dihydroindolizino[1,2-b]quinolin-2-yl [1,4'-bipiperidine]-1'-carboxylate
- CAS:
- 176515-52-9
- MF:
- C32H38N4O4
- Structure:
- Chemical Name:
- 4-amino-5-chloro-N-(1-propylpiperidin-4-yl)-2,3-dihydrobenzofuran-7-carboxamide
- MF:
- C17H24ClN3O2
- Chemical Name:
- Ceftazidime Impurity D
- Chemical Name:
- Ceftazidime Sulfoxide Impurity
- Chemical Name:
- Tofacitinib Impurity Y
- Structure:
- Chemical Name:
- 5-amino-6-chloro-2-(propylthio)pyrimidin-4-ol
- MF:
- C7H10ClN3OS
- Chemical Name:
- Labetalol EP impurity G
- Structure:
- Chemical Name:
- 2-(2-NITROPHENYL)ETHANAMINE
- CAS:
- 33100-15-1
- MF:
- C8H10N2O2
- Structure:
- Chemical Name:
- CLOZAPINE-D3
- CAS:
- 1215691-72-7
- MF:
- C18H19ClN4
- Chemical Name:
- Bumetanide iMpurity F
- Structure:
- Chemical Name:
- IODIXANOL RELATED COMPOUND D (50 MG) (5-[ACETYL(2-HYDROXY-3-METHYLPROPYL)AMINO]-N,N'-BIS(2,3-DIHYDROXYPROPYL)2,4,6-TRIIODO-1,3-BENZE-NEDICARBOXAMIDE)
- CAS:
- 89797-00-2
- MF:
- C20H28I3N3O9
- Structure:
- Chemical Name:
- NIMODIPINE RELATED COMPOUND B (50 MG) (BIS(2-METHOXYETHYL) 2,6-DIMETHYL-4-(3-NITROPHE-NYL)-1,4-DIHYDROPYRIDINE-3,5-DICARBOXYLATE) (AS)
- CAS:
- 70172-96-2
- MF:
- C21H26N2O8
- Structure:
- Chemical Name:
- 1-METHYL-2-PHENOXYETHYLAMINE
- CAS:
- 35205-54-0
- MF:
- C9H13NO
- Chemical Name:
- SULPIRIDE IMPURITY B
- Structure:
- Chemical Name:
- 3-(7,8-dimethoxy-2-oxo-1,2,4,5-tetrahydro-3H-benzo[d]azepin-3-yl)-N-(((S)-3,4-dimethoxybicyclo[4.2.0]octa-1(6),2,4-trien-7-yl)methyl)-N-methylpropan-1-amine oxide
- CAS:
- 2511244-97-4
- MF:
- C27H36N2O6
- Structure:
- Chemical Name:
- 2,4,6,3',5'-pentamethoxybiphenyl
- CAS:
- 84212-55-5
- MF:
- C17H20O5
- Chemical Name:
- Labetalol EP Impurity I
- Chemical Name:
- (Asp4)-Carbetocin (Impurity G)
- Chemical Name:
- Acrivastine Impurity 1
- Structure:
- Chemical Name:
- Nifedipine impurity 10
- CAS:
- 10323-98-5
- MF:
- C13H13NO3
- Chemical Name:
- Cefminox Sodium impurity E
- Chemical Name:
- Clindamycin Impurity D
- Chemical Name:
- Fasudil iMpurity C
- Chemical Name:
- Cefminox Impurity D
- Structure:
- Chemical Name:
- SORAFENIB N-OXIDE
- CAS:
- 583840-03-3
- MF:
- C21H16ClF3N4O4