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Pharmaceutical Impurity Reference Standards
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- Structure:
- Chemical Name:Diethyl-carbaMic Acid ChloroMethyl Ester
- CAS:133217-92-2
- MF:C6H12ClNO2
- Structure:
- Chemical Name:ClarithroMycin IMpurity G
- CAS:127182-44-9
- MF:C39H72N2O13
- Structure:
- Chemical Name:1-(3-Hydroxypropyl)-5-[(2R)-2-[[2-[2-(2,2,2-trifluoroethoxy)phenoxy]ethyl]aMino]propyl]-1H-indole-7-carboxaMide
- CAS:175870-21-0
- MF:C25H30F3N3O4
- Structure:
- Chemical Name:5-[(4,5-Dihydro-1H-iMidazol-2-yl)aMino]-6-hydroxy-2-Methyl-4(3H)-pyriMidinone
- CAS:352457-32-0
- MF:C8H11N5O2
- Structure:
- Chemical Name:1,4-Bis(2,3,4-triMethoxybenzyl)piperazine
- CAS:1257-19-8
- MF:C24H34N2O6
- Structure:
- Chemical Name:3-(1,4-Dihydro-5-Methyl-4-oxo-7-propyliMidazo[5,1-f][1,2,4]triazin-2-yl)-4-ethoxybenzoic Acid
- CAS:358390-39-3
- MF:C18H20N4O4
- Structure:
- Chemical Name:β-(BenzoylaMino)-α-hydroxybenzenepropanoic Acid (αR,βS)-(1S,3S,4S,4aR,5S,6S,8S,11R,12aS)-3,11-Bis(acetyloxy)-4-[(benzoyloxy)Methyl]-1,2,3,4,4a,5,6,7,8,11,12,12a-dodecahydro-1,4,5,6-tetrahydroxy-9,12a,13,13-tetraMethyl-12-oxo-6,10-Methanobenzocyclodecen-8-
- CAS:932042-85-8
- MF:C47H53NO15
- Structure:
- Chemical Name:(S)-Sitagliptin Phosphate
- CAS:823817-58-9
- MF:C16H16F6N5O5P
- Structure:
- Chemical Name:4-[(2,3,4-TriMethoxyphenyl)Methyl]-1-piperazinecarboxylic Acid Ethyl Ester
- CAS:53531-01-4
- MF:C17H26N2O5
- Structure:
- Chemical Name:(S)-2-(3-chloro-2-hydroxypropyl)isoindoline-1,3-dione
- CAS:148857-42-5
- MF:C11H10ClNO3
- Structure:
- Chemical Name:Loratadine IMpurity C
- CAS:
- MF:C22H23ClN2O2
- Structure:
- Chemical Name:Metoprolol IMpurity C
- CAS:
- MF:C15H25NO3
- Structure:
- Chemical Name:Metoprolol IMpurity I
- CAS:
- MF:C15H25NO3
- Chemical Name:Telmisartan impurity D
- CAS:
- MF:
- Chemical Name:itraconazole impurity f
- CAS:
- MF:
- Structure:
- Chemical Name:Ethanediamide, N1-(5-chloro-2-pyridinyl)-N2-[(1S,2S,4S)-4-[(dimethylamino)carbonyl]-2-[[(4,5,6,7-tetrahydro-5-methylthiazolo[5,4-c]pyridin-2-yl)carbonyl]amino]cyclohexyl]-
- CAS:1255529-27-1
- MF:C24H30ClN7O4S
- Structure:
- Chemical Name:1-(p-Toluenesulfonyl)hoMopiperazine, 95%
- CAS:872103-28-1
- MF:C12H18N2O2S
- Structure:
- Chemical Name:1-NaphthaleneethanaMine, 1,2,3,4-tetrahydro-7-Methoxy-
- CAS:59081-66-2
- MF:C13H19NO
- Structure:
- Chemical Name:1-NaphthaleneethanaMine, 1,2,3,4-tetrahydro-7-Methoxy-
- CAS:59081-66-2
- MF:C13H19NO
- Structure:
- Chemical Name:1H-Indazole, 4,5-dichloro-
- CAS:1020243-02-0
- MF:C7H4Cl2N2
- Structure:
- Chemical Name:1H-Indazole, 4,5-dichloro-
- CAS:1020243-02-0
- MF:C7H4Cl2N2
- Structure:
- Chemical Name:1,4-ditosyl-1,4-diazepane
- CAS:5769-35-7
- MF:C19H24N2O4S2
- Structure:
- Chemical Name:Flurbiprofen Impurity
- CAS:64858-90-8
- MF:C17H17FO2
- Structure:
- Chemical Name:the Metabolite of Ivabradine
- CAS:215935-23-2
- MF:C26H34N2O5
- Structure:
- Chemical Name:Acarbose 1,1-α,α-Glycoside IMpurity
- CAS:610271-07-3
- MF:C25H43NO18
- Structure:
- Chemical Name:Acarbose 1,1-α,α-Glycoside IMpurity
- CAS:610271-07-3
- MF:C25H43NO18
- Structure:
- Chemical Name:Des-6-[4-(2-hydroxyethyl)-1-piperazinyl]-6-chloro Dasatinib
- CAS:910297-71-1
- MF:C16H13Cl2N5O2S
- Structure:
- Chemical Name:Hydroxythiovardenafil
- CAS:912576-30-8
- MF:C23H32N6O4S2
- Structure:
- Chemical Name:(((((1-(6-aMino-9H-purin-9-yl)propan-2-yl)oxy)Methyl)phosphoryl)bis(oxy))bis(Methylene) isopropyl Methyl dicarbonate
- CAS:1246812-43-0
- MF:C17H26N5O10P
- Structure:
- Chemical Name:9(10H)-Acridinone, 6-aMino-2-ethoxy-
- CAS:144335-20-6
- MF:C15H14N2O2
- Chemical Name:parecoxib impurity L
- CAS:
- MF:
- Structure:
- Chemical Name:Rupatadine iMpurity
- CAS:169253-15-0
- MF:C19H19ClN2
- Chemical Name:ceftazidiMe iMpurity C
- CAS:
- MF:
- Structure:
- Chemical Name:pidotiMod iMpurity E
- CAS:162148-16-5
- MF:C9H12N2O4S
- Structure:
- Chemical Name:1H-Pyrazole-1-propanenitrile, β-cyclopentyl-4-[7-(hydroxyMethyl)-7H-pyrrolo[2,3-d]pyriMidin-4-yl]-,(βR)-
- CAS:1236033-03-6
- MF:C18H20N6O
- Structure:
- Chemical Name:Cyclopropanecarboxylic acid, 1-[(phenylaMino)carbonyl]-
- CAS:145591-80-6
- MF:C11H11NO3
- Structure:
- Chemical Name:3-PiperidinaMine, 1-acetyl-N,4-diMethyl-N-1H-pyrrolo[2,3-d]pyriMidin-4-yl-, (3R,4R)- (9CI)
- CAS:477600-76-3
- MF:C15H21N5O
- Structure:
- Chemical Name:AzithroMycin iMpurity
- CAS:194809-66-0
- MF:C37H69BN2O13
- Structure:
- Chemical Name:MeropeneM iMpurity
- CAS:96035-23-3
- MF:C15H19N3O5S
- Structure:
- Chemical Name:Ciprofloxacin EP IMpurity B
- CAS:93107-11-0
- MF:C17H19N3O3
- Structure:
- Chemical Name:Valdecoxib IMpurity-E
- CAS:1373038-63-1
- MF:C16H11Cl2NO5S2
- Structure:
- Chemical Name:Sunitinib N-Oxide
- CAS:356068-99-0
- MF:C22H27FN4O3
- Structure:
- Chemical Name:Abiraterone Sulfate
- CAS:
- MF:
- Chemical Name:AtracuriuM IMpurity G (R-Laudanosine)
- CAS:
- MF:
- Chemical Name:BendaMustine IMpurity D BendaMustine N-Alkylated IMpurity
- CAS:
- MF:
- Chemical Name:Cefradine IMpurity E
- CAS:
- MF:
- Structure:
- Chemical Name:Cetirizine IMpurity-7
- CAS:
- MF:C21H25ClN2O3
- Chemical Name:Dasatinib IMpurity 6
- CAS:
- MF:
- Structure:
- Chemical Name:Desacetyl CefathiaMidine
- CAS:958001-61-1
- MF:C17H26N4O5S2
- Structure:
- Chemical Name:Fluconazole IMpurity D
- CAS:
- MF:C13H12F2N6O
- Structure:
- Chemical Name:Lercanidipine IMpurity A
- CAS:74936-74-6
- MF:C19H22N2O6
- Structure:
- Chemical Name:Loratadine 2-Chloro IMpurity
- CAS:165739-64-0
- MF:C22H22Cl2N2O2
- Structure:
- Chemical Name:Metoprolol IMpurity F
- CAS:
- MF:C15H25NO3
- Structure:
- Chemical Name:Ibrutinib Impurity 9
- CAS:2068022-09-1
- MF:C25H21D5N6O4
- Structure:
- Chemical Name:4-CHLORO-3-HYDROXY BUTYRONITRILE
- CAS:105-33-9
- MF:C4H6ClNO
- Structure:
- Chemical Name:(Z)-2-propylhept-2-enal
- CAS:95667-14-4
- MF:C10H18O
- Structure:
- Chemical Name:Miconazole IMpurity I
- CAS:47363-37-1
- MF:C18H15Cl3N2O
- Chemical Name:Milrinone IMpurity 1
- CAS:
- MF:
- Structure:
- Chemical Name:Nicardipine Related CoMpound 2
- CAS:64603-72-1
- MF:C16H14N2O6
- Structure:
- Chemical Name:Saxagliptin IMpurity 1
- CAS:1564266-73-4
- MF:C6H10N2O
- Structure:
- Chemical Name:Sitagliptin DeaMino IMpurity 1
- CAS:1253056-18-6
- MF:C16H12F6N4O
- Structure:
- Chemical Name:Sitagliptin Defuoro IMpurity 5
- CAS:486460-31-5
- MF:C16H16F5N5O
- Structure:
- Chemical Name:TiMolol IMpurity E
- CAS:1026075-53-5
- MF:C17H26N4O6S
- Structure:
- Chemical Name:EthanediaMide iMpurity J
- CAS:
- MF:C2H4N2O2
- Structure:
- Chemical Name:4,6-dichloro-2-(propylthio)pyriMidine
- CAS:1401318-10-2
- MF:C7H8Cl2N2S
- Chemical Name:Istradefylline impurity B
- CAS:
- MF:
- Structure:
- Chemical Name:Ticagrelor diastereoMer
- CAS:1459719-81-3
- MF:C9H9F2N
- Structure:
- Chemical Name:Mirabegron iMpurity
- CAS:1581285-26-8
- MF:C16H21ClN2
- Structure:
- Chemical Name:Sunitinib iMpurity
- CAS:356068-98-9
- MF:C12H19N3O2
- Structure:
- Chemical Name:(-)-DihydroapovincaMinic Acid Ethyl Ester
- CAS:57327-92-1
- MF:C22H28N2O2
- Structure:
- Chemical Name:(α1S,α4S,2S,5S)-2,5-DiMethyl-3,6-dioxo-α1,α4-bis(2-phenylethyl)-1,4-piperazinediacetic Acid 1,4-Diethyl Ester
- CAS:151387-05-2
- MF:C30H38N2O6
- Structure:
- Chemical Name:[2-(4-Fluorophenyl)cyclopropyl]aMine hydrochloride
- CAS:879324-66-0
- MF:C9H11ClFN
- Structure:
- Chemical Name:[4-(4-AMino-7-hydroxy-6-Methoxy-2-quinazolinyl)-1-piperazinyl](tetrahydro-2-furanyl)Methanone
- CAS:105356-90-9
- MF:C18H23N5O4
- Structure:
- Chemical Name:2-(DiethylaMino)-N-(2,5-diMethylphenyl)acetaMide Hydrochloride
- CAS:1012864-23-1
- MF:C14H23ClN2O
- Structure:
- Chemical Name:2-Keto-D-gulonic Acid Methyl Ester
- CAS:67776-07-2
- MF:C7H12O7
- Structure:
- Chemical Name:9,11-Dehydro-17α-cyanoMethyl Estradiol
- CAS:86153-38-0
- MF:C20H23NO2
- Structure:
- Chemical Name:DeMethyl Irbesartan
- CAS:158778-58-6
- MF:C24H26N6O
- Structure:
- Chemical Name:Epiprednisolone
- CAS:600-90-8
- MF:C21H28O5
- Structure:
- Chemical Name:δ-2-CefodiziMe (2 :1 Mixture)
- CAS:120533-30-4
- MF:C20H20N6O7S4
- Structure:
- Chemical Name:Salbutamol Acetonide
- CAS:54208-72-9
- MF:C16H25NO3
- Structure:
- Chemical Name:8-Chloro-1-methyl-6-phenyl-4H-Imidazo[1,5-a][1,4]benzodiazepine
- CAS:59467-86-6
- MF:C18H14ClN3
- Structure:
- Chemical Name:BenzeneMethanaMine, 4-ethoxy-3-Methoxy-a-[(Methylsulfonyl)Methyl]-
- CAS:885268-06-4
- MF:C12H19NO4S
- Chemical Name:Afatinib IMpurity C
- CAS:
- MF:
- Chemical Name:Afatinib IMpurity C
- CAS:
- MF:
- Structure:
- Chemical Name:AMisulpride IMpurity
- CAS:84859-26-7
- MF:C8H17NO2
- Chemical Name:Avanafil iMpurity 5
- CAS:
- MF:
- Chemical Name:Cefoxitin iMpurity E (R-Methoxy cefoxitin)
- CAS:
- MF:
- Structure:
- Chemical Name:Desloratadine IMpurity 3
- CAS:1346600-61-0
- MF:C19H19ClN2
- Structure:
- Chemical Name:DibroMo IMpurity
- CAS:1352492-08-0
- MF:C15H12Br2O2
- Structure:
- Chemical Name:ErtapeneM IMpurity DIPP
- CAS:220031-86-7
- MF:C18H27N2O6PS
- Structure:
- Chemical Name:Gefitinib IMpurity 1
- CAS:1561173-24-7
- MF:C15H22ClN3O3
- Structure:
- Chemical Name:Pitavastatin Defuoro IMpurity CalciuM Salt
- CAS:1258947-30-6
- MF:C50H50CaN2O8
- Structure:
- Chemical Name:Solifenacin Related CoMpound 4 Succinate
- CAS:862207-71-4
- MF:C27H32N2O6
- Structure:
- Chemical Name:TenoxicaM IMpurity E (2-Methylthieno[2,3-d]isothiazol-3(2H)-one-1,1-dioxide )
- CAS:94040-09-2
- MF:C6H5NO3S2
- Structure:
- Chemical Name:(+)-(14β)-Dihydrovinpocetine
- CAS:57517-54-1
- MF:C22H28N2O2
- Structure:
- Chemical Name:D,L-Venlafaxine-d10 Hydrochloride
- CAS:1216539-56-8
- MF:C17H28ClNO2
- Chemical Name:Ceritinib IMpurity
- CAS:
- MF:
- Chemical Name:Melphalan IMpurity
- CAS:
- MF:
- Structure:
- Chemical Name:1-[2-[(5-chloro-2,4-diMethylphenyl)thio]phenyl]- Piperazine
- CAS:1240670-87-4
- MF:C18H21ClN2S