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Pharmaceutical Impurity Reference Standards
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- 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: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:
- Structure:
- Chemical Name:Nsc249004
- CAS:7428-39-9
- MF:C9H13N3O5
- Structure:
- Chemical Name:(3S,5R,6E)-7-[2-Cyclopropyl-4-(4-fluorophenyl)-3-quinolinyl]-3,5-dihydroxy-6-heptenoic acid
- CAS:254452-86-3
- MF:C25H24FNO4
- Structure:
- Chemical Name:(E)-4-Acetoxy Tamoxifen
- CAS:76117-70-9
- MF:C28H31NO3
- Structure:
- Chemical Name:Atorvastatin Cyclic Isopropyl Impurity
- CAS:873950-17-5
- MF:C33H35FN2O7
- Structure:
- Chemical Name:O-Acetyl Losartan
- CAS:1006062-27-6
- MF:C24H25ClN6O2
- Structure:
- Chemical Name:(2-Chloro-5-iodophenyl)(4-ethoxyphenyl)methanone
- CAS:1103738-26-6
- MF:C15H12ClIO2
- Structure:
- Chemical Name:3-Dechloro-4-chloro Lamotrigine
- CAS:38943-76-9
- MF:C9H7Cl2N5
- Structure:
- Chemical Name:D-2’-Deoxyribofuranosyl-3-guanylurea (α/β-Mixture)
- CAS:570410-72-9
- MF:C7H14N4O4
- Chemical Name:Exemestane Impurity A
- CAS:
- MF:
- Structure:
- Chemical Name:(1R,3S)-1-(1,3-Benzodioxol-5-yl)-2-(2-chloroacetyl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic Acid Methyl Ester
- CAS:629652-44-4
- MF:C22H19ClN2O5
- Structure:
- Chemical Name:3-DesMorpholinyl-3-hydroxyethylaMino Gefitinib
- CAS:847949-56-8
- MF:C20H22ClFN4O3
- Structure:
- Chemical Name:4-Deschloro-4-(2-furanylMethyl)aMino FuroseMide
- CAS:5046-19-5
- MF:C17H17N3O6S
- Structure:
- Chemical Name:Cephalexin Sulfoxide
- CAS:56193-21-6
- MF:C16H17N3O5S
- Structure:
- Chemical Name:N-Butyl Nor ScopolaMine Hydrochloride
- CAS:22235-98-9
- MF:C20H28ClNO4
- Structure:
- Chemical Name:11β-Hydroxy Dienogest
- CAS:86153-39-1
- MF:C20H25NO3
- Structure:
- Chemical Name:2H,5H-Pyrano[4,3-b]pyranyl Mupirocin SodiuM IMpurity
- CAS:116182-44-6
- MF:C26H43NaO9
- Structure:
- Chemical Name:3-Hydroxy CitalopraM
- CAS:411221-53-9
- MF:C20H21FN2O2
- Structure:
- Chemical Name:5-(OxiranylMethoxy)-2,3,4,9-tetrahydrocarbazole
- CAS:58457-32-2
- MF:C15H17NO2
- Structure:
- Chemical Name:6α-Methyl Hydrocortisone 21-HeMisuccinate
- CAS:119657-85-1
- MF:C26H36O8
- Structure:
- Chemical Name:Hydroxy TorseMide
- CAS:99300-68-2
- MF:C16H20N4O4S
- Structure:
- Chemical Name:Hydroxy Varenicline N-Trifluoroacetate
- CAS:357426-10-9
- MF:C15H12F3N3O2
- Structure:
- Chemical Name:N2-Methyl Alfuzosin Hydrochloride
- CAS:72104-34-8
- MF:C19H28ClN5O4
- Structure:
- Chemical Name:N2-Methyl Alfuzosin Hydrochloride
- CAS:72104-34-8
- MF:C19H28ClN5O4
- Structure:
- Chemical Name:N-ForMyl Valacyclovir
- CAS:847670-62-6
- MF:C14H20N6O5
- Structure:
- Chemical Name:2-Fluorobiphenyl-4-carboxylic Acid
- CAS:137045-30-8
- MF:C13H9FO2
- Structure:
- Chemical Name:Theophyllidine Hydrochloride
- CAS:116131-08-9
- MF:C6H10ClN4O
- Structure:
- Chemical Name:1,4'-Dimethyl-2'-propyl-2,5'-bi-1H-benzimidazole
- CAS:887583-89-3
- MF:C19H20N4
- Chemical Name:Tetracyclics compound impurities
- CAS:
- MF:
- Structure:
- Chemical Name:Urapidil Impurity
- CAS:770-42-3
- MF:C8H9BrFN.BrH
- Structure:
- Chemical Name:N'-(1-Methylazepan-4-yl)benzohydrazine
- CAS:117078-69-0
- MF:C14H22ClN3O
- 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