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Pharmaceutical Impurity Reference Standards
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- 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:
- Structure:
- Chemical Name:Dapoxetine Impurity 11
- CAS:151649-29-5
- MF:C19H16O
- Structure:
- Chemical Name:(2S,3S,5S)-2-Hexyl-3,5-dihydroxyhexadecanoic Acid
- CAS:130793-30-5
- MF:C22H44O4
- Structure:
- Chemical Name:Mosapride Citric Amide
- CAS:1215825-20-9
- MF:C27H31ClFN3O9
- Structure:
- Chemical Name:2-aMino-3-Methyl-3-sulfino-4-(1H-1,2,3-triazol-1-yl)butyric acid
- CAS:118175-11-4
- MF:C7H12N4O4S
- Structure:
- Chemical Name:1,4,8,11-Tetraazacy clotetradecance, 1,4,8-tris[(4 Methylphenyl)sufonyl]-
- CAS:104395-69-9
- MF:C31H42N4O6S3
- Structure:
- Chemical Name:(1S)-N-(3S)-1-Azabicyclo[2.2.2]oct-3-yl-1,2,3,4-tetrahydro-1-naphthalenecarboxaMide
- CAS:177793-79-2
- MF:C18H24N2O
- Structure:
- Chemical Name:(E)-Ceftriaxone
- CAS:92143-31-2
- MF:C18H18N8O7S3
- Structure:
- Chemical Name:(Z)-Cinnarizine
- CAS:750512-44-8
- MF:C26H28N2
- Chemical Name:fenofibrate iMpurity
- CAS:
- MF:
- Structure:
- Chemical Name:6,11-Di-O-Methyl ErythroMycin
- CAS:81103-14-2
- MF:C39H71NO13
- Structure:
- Chemical Name:ent-OseltaMivir Phosphate
- CAS:1035895-89-6
- MF:C16H29N2O8P
- Structure:
- Chemical Name:3,5,3',5'-Tetraiodo Thyrolactic Acid
- CAS:7069-47-8
- MF:C15H10I4O5
- Structure:
- Chemical Name:3-cyano-4-isobutoxybenzaMide
- CAS:161718-85-0
- MF:C12H14N2O2
- Structure:
- Chemical Name:Caffeidinecarboxylic acid
- CAS:54536-15-1
- MF:C8H12N4O3
- Structure:
- Chemical Name:Ribavirin Related Compound A (15 mg) (1-beta-D-ribofuranosyl-1H-1,2,4-triazole-3-carboxylic acid)
- CAS:39925-19-4
- MF:C8H11N3O6
- 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
- Structure:
- Chemical Name:N-Desmethyl Citalopram-d4 Oxalate
- CAS:62498-68-4
- MF:C21H21FN2O5
- Structure:
- Chemical Name:2-Ethoxy-6-nitro-9-acridinamine
- CAS:20304-70-5
- MF:C15H13N3O3
- Structure:
- Chemical Name:4-O-Carboxymethyl-21-deoxy-20-hydroxy-21-oxorifamycin
- CAS:15271-73-5
- MF:C39H47NO15
- Structure:
- Chemical Name:(3,4-Dimethoxyphenyl)isopropyl ketone
- CAS:14046-55-0
- MF:C12H16O3
- Structure:
- Chemical Name:2,3-Dichloro-5,6-diphenylpyrazine
- CAS:57038-62-7
- MF:C16H10Cl2N2
- Structure:
- Chemical Name:DIDESMETHYL CITALOPRAM-D4
- CAS:62498-69-5
- MF:C18H17FN2O
- Structure:
- Chemical Name:Bis(3-hydroxypropyl) persulfide
- CAS:30453-21-5
- MF:C6H14O2S2
- Structure:
- Chemical Name:CHLOROAC-PRO-OH
- CAS:23500-10-9
- MF:C7H10ClNO3
- Structure:
- Chemical Name:2,4-Dihydro-4-[4-[4-(4-methoxyphenyl)-1-piperazinyl]phenyl]-2-(1-methylpropyl)-3H-1,2,4-triazol-3-one
- CAS:252964-68-4
- MF:C23H29N5O2
- Structure:
- Chemical Name:2-(2-Methoxyphenoxy)ethanol
- CAS:18181-71-0
- MF:C9H12O3
- Structure:
- Chemical Name:2-(3-Chloro-2-hydroxypropyl)-2H-isoindole-1,3-dione
- CAS:19667-37-9
- MF:C11H10ClNO3
- Structure:
- Chemical Name:4,6-Dibromo-m-cresol
- CAS:13321-76-1
- MF:C7H6Br2O
- Structure:
- Chemical Name:(R)-2,4-Dihydroxy-3,3-dimethylbutyric acid sodium salt
- CAS:60979-68-2
- MF:C{6}H{11}NaO{4}
- Structure:
- Chemical Name:4-(2,3-DIMETHYL-BENZYL)-1H-IMIDAZOLE HCL H2O
- CAS:90038-00-9
- MF:C12H17ClN2O
- Structure:
- Chemical Name:Metoprolol Acid Ethyl Ester
- CAS:29112-40-1
- MF:C16H25NO4
- Structure:
- Chemical Name:6-Hydroxy Desloratadine
- CAS:119410-05-8
- MF:C19H19ClN2O
- Structure:
- Chemical Name:10-Acetyloxy Oxcarbazepine
- CAS:113952-21-9
- MF:C17H14N2O4
- Chemical Name:4-[[(1S)-1-carboxy-2-(4-hydroxyphenyl)ethyl]amino]-4-xobutanoic acid
- CAS:
- MF:
- Chemical Name:Hydrocortisone Impurity 58 Disodium Salt (Mixture of Diastereomers)
- CAS:
- MF:
- Chemical Name:Levomepromazine EP Impurity D HCl
- CAS:
- MF:
- Structure:
- Chemical Name:(1,2,4-Triazol-4-yl) Itraconazole
- CAS:854372-77-3
- MF:C35H38Cl2N8O4
- Structure:
- Chemical Name:6,7,8,9-Tetrahydro Carvedilol
- CAS:1246820-73-4
- MF:C24H30N2O4
- Structure:
- Chemical Name:Cefdinir Lactone
- CAS:946573-41-7
- MF:C14H13N5O5S2
- Structure:
- Chemical Name:Ozagrel methylester
- CAS:866157-50-8
- MF:C13H12N2O2
- Structure:
- Chemical Name:2-Propanol, 1-[2-(2-methoxyethyl)phenoxy]-3-[(1-methylethyl)amino]-
- CAS:163685-38-9
- MF:C15H25NO3
- Structure:
- Chemical Name:5-BroModescyano CitalopraM
- CAS:64169-39-7
- MF:C19H21BrFNO
- Structure:
- Chemical Name:Aripiprazole N,N-Dioxide
- CAS:573691-13-1
- MF:C23H27Cl2N3O4
- Structure:
- Chemical Name:Deschloro Cetirizine Dihydrochloride
- CAS:83881-54-3
- MF:C21H26N2O3
- Structure:
- Chemical Name:DesvancosaMinyl VancoMycin
- CAS:101485-50-1
- MF:C59H62Cl2N8O22
- Structure:
- Chemical Name:rac N-Desbutyroyl Acebutolol
- CAS:57898-80-3
- MF:C14H22N2O3
- Structure:
- Chemical Name:rac-Clopidogrel-MP Endo Derivative
- CAS:1346598-12-6
- MF:C25H26ClNO6S
- Structure:
- Chemical Name:1,1'-N-[Methylenebis(sulphanediylethylene)]bis(N'-Methyl-2-nitroethene-1,1-diaMine
- CAS:1331637-48-9
- MF:C11H22N6O4S2
- Structure:
- Chemical Name:ent-LaMivudine
- CAS:134680-32-3
- MF:C8H11N3O3S
- Structure:
- Chemical Name:Formoterol O-β-D-Glucuronide
- CAS:615551-59-2
- MF:C25H32N2O10
- Structure:
- Chemical Name:Mono-POC Tenofovir 6-Isopropyl CarbaMate
- CAS:1244022-56-7
- MF:C18H28N5O9P
- Structure:
- Chemical Name:N-Methyl Iso Desloratadine
- CAS:183198-48-3
- MF:C20H21ClN2
- Structure:
- Chemical Name:Tartaric Acid Isopropyl Ester
- CAS:116601-09-3
- MF:C7H12O6
- Structure:
- Chemical Name:Vardenafil Acetyl Analogue
- CAS:1261351-28-3
- MF:C25H34N6O3
- Structure:
- Chemical Name:1-Keto BaMbuterol
- CAS:112935-94-1
- MF:C18H27N3O5
- Structure:
- Chemical Name:7-Chloro-4-(4-hydroxyanilino)quinoline
- CAS:81099-86-7
- MF:C15H11ClN2O
- Structure:
- Chemical Name:Desfluoro EzetiMibe
- CAS:302781-98-2
- MF:C24H22FNO3
- Structure:
- Chemical Name:8-Iodo-1,1,1,2,2,3,3,4,4,5,5,6,6-tridecafluorotetradecane
- CAS:109574-84-7
- MF:C14H16F13I
- Structure:
- Chemical Name:5-(2-Bromo-1-oxobutyl)-8-hydroxy-2(1H)-quinolinone
- CAS:59827-93-9
- MF:C13H12BrNO3