ChemicalBook >
Product Catalog >
Analytical Chemistry >
Standard >
Pharmaceutical Impurity Reference Standards
Pharmaceutical Impurity Reference Standards
Click on the specific product, view the latest prices of the products, information, serving information
- Structure:
- Chemical Name:2-Desisopropyl-2-phenyl Repaglinide
- CAS:107362-12-9
- MF:C30H34N2O4
- Structure:
- Chemical Name:2-(3-CHLOROPHENYL)-2-CYANO-1-(3-PYRIDINYL)-1-ETHANONE
- CAS:114444-10-9
- MF:C14H9ClN2O
- Structure:
- Chemical Name:BENZENE ACETIC ACID, 4-[(2-CARBOXYPHENYL)METHOXY]
- CAS:55453-89-9
- MF:C16H14O5
- Chemical Name:Ipragliflozin Impurity 5
- CAS:
- MF:
- Structure:
- Chemical Name:Alectinib Impurity
- CAS:1256584-83-4
- MF:C26H25N3O2
- Structure:
- Chemical Name:Afatinib impurity 11/Des-(4-dimethylamino-2-en-1-oxo)butylamino 6-(5-Hydroxy-pyrrolidin-2-on-1-yl) Afatinib
- CAS:2223677-58-3
- MF:C22H20ClFN4O4
- Structure:
- Chemical Name:Ibrutinib Impurity 18
- CAS:1881246-01-0
- MF:C16H12N4O
- Structure:
- Chemical Name:Vitamin B1 Impurity 6
- CAS:
- MF:C12H17ClN4OS
- Structure:
- Chemical Name:5,5'-((tert-butylazanediyl)bis(1-hydroxyethane-2,1-diyl))bis(benzene- 1,3-diol)
- CAS:
- MF:C20H27NO6
- Structure:
- Chemical Name:2,2'-difluoro-3,3'-dimethoxy-1,1'-biphenyl
- CAS:2316733-82-9
- MF:C14H12F2O2
- Chemical Name:nicergoline impurity N
- CAS:
- MF:
- Structure:
- Chemical Name:Clopidogrel Impurity 50
- CAS:
- MF:C15H14ClNO2S
- Chemical Name:PraMipexole IMpurity Z1/Z2
- CAS:
- MF:
- Structure:
- Chemical Name:trans-Ibuprofen Impurity G
- CAS:
- MF:C13H18O2
- Chemical Name:Vonoprazan Impurity 15
- CAS:
- MF:
- Chemical Name:Esomeprazole Impurity 6
- CAS:
- MF:
- Chemical Name:Erlotinib Impurity 22
- CAS:
- MF:
- Chemical Name:Teneligliptin Impurity 1
- CAS:
- MF:
- Chemical Name:Erlotinib Hydrochloride iMpurity 51
- CAS:
- MF:
- Structure:
- Chemical Name:(S)-10-(1-aminocyclopropyl)-3-methyl-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid formic acid
- CAS:
- MF:C17H18N2O6
- Structure:
- Chemical Name:1H-Imidazole-1-ethanol, α-(chloromethyl)-5-nitro-
- CAS:116989-52-7
- MF:C6H8ClN3O3
- Structure:
- Chemical Name:4-Pyridinemethanol, 3-hydroxy-2,5-dimethyl-, hydrochloride (1:1)
- CAS:875-26-3
- MF:C8H11NO2.ClH
- Chemical Name:Afatinib ImpurityOYQ
- CAS:
- MF:
- Structure:
- Chemical Name:Androst-3-en-17-one,(5)
- CAS:14935-81-0
- MF:C19H28O
- Chemical Name:Landiolol impurity X
- CAS:
- MF:
- Chemical Name:2-((4-(3-aminopiperidin-1-yl)
- CAS:
- MF:
- Chemical Name:Rosuvastatin Impurity 111
- CAS:
- MF:
- Structure:
- Chemical Name:Metoprolol IMpurity V
- CAS:
- MF:C15H25NO3
- Chemical Name:Teneligliptin Impurity 12
- CAS:
- MF:
- Chemical Name:Nicergoline EP Impurity E
- CAS:
- MF:
- Structure:
- Chemical Name:Hexanoic acid, 3-[(hydroxyamino)methyl]-5-methyl-, (3S)-
- CAS:2349671-57-2
- MF:C8H17NO3
- Structure:
- Chemical Name:α-D-Glucopyranoside, methyl 1-C-[4-chloro-3-[(4-ethoxyphenyl)methyl]phenyl]-, 2,3,4,6-tetraacetate
- CAS:714269-58-6
- MF:C30H35ClO11
- Chemical Name:Caspofungin Impurity H
- CAS:
- MF:
- Structure:
- Chemical Name:(trans)-3-((benzo[d][1,3]dioxol-5-yloxy)methyl)-4-(4-methoxyphenyl)-1-methylpiperidine hydrochloride
- CAS:127017-41-8
- MF:C21H26ClNO4
- Structure:
- Chemical Name:Ezetimibe Impurity 76
- CAS:1185883-46-8
- MF:C39H44F2N2O5Si
- Structure:
- Chemical Name:Cefmetazole impurity 9/(6R-cis)-7-[[[(Cyanomethyl)thio]acetyl]amino]-3-(hydroxymethyl)-7-methoxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid
- CAS:70953-19-4
- MF:C13H15N3O6S2
- Structure:
- Chemical Name:((cis)-4-(4-fluorophenyl)-1-methylpiperidin-3-yl)methyl 4-methylbenzenesulfonate
- CAS:
- MF:C20H24FNO3S
- Chemical Name:Elagolix Sodium impurity1
- CAS:
- MF:
- Structure:
- Chemical Name:Ibrutinib Impurity 37
- CAS:330793-49-2
- MF:C10H13IN6
- Structure:
- Chemical Name:(S)-((6-(propylamino)-4,5,6,7-tetrahydrobenzo[d]thiazol-2-yl)amino)methanol
- CAS:
- MF:C11H19N3OS
- Structure:
- Chemical Name:(trans)-4-((6-amino-2,3-dibromobenzyl)amino)cyclohexanol
- CAS:
- MF:C13H18Br2N2O
- Chemical Name:ERYTHROMYCIN IMPURITY N
- CAS:
- MF:
- Chemical Name:Fesoterodine Impurity 12
- CAS:
- MF:
- Chemical Name:Dexamethasone EP impurities D
- CAS:
- MF:
- Chemical Name:Palbociclib impurity LMAP
- CAS:
- MF:
- Structure:
- Chemical Name:(3R,3'R)-3,3'-((((S)-1-amino-1-oxobutan-2-yl)azanediyl)bis(methylene))dihexanoic acid
- CAS:
- MF:C18H34N2O5
- Structure:
- Chemical Name:Acetaminophen EP Impurity L
- CAS:
- MF:C8H9NO2
- Chemical Name:Anagrelide Impurity 2 HCl
- CAS:
- MF:
- Structure:
- Chemical Name:(R)-4-(2-(benzyl(methyl)amino)-1-hydroxyethyl)benzene-1,2-diol
- CAS:317351-40-9
- MF:C16H19NO3
- Structure:
- Chemical Name:N,N'-Bis(4-hydroxyphenyl)hydrazine
- CAS:158905-63-6
- MF:C12H12N2O2
- Chemical Name:Droxidopa Impurity M
- CAS:
- MF:
- Chemical Name:Vigabatrin Impurity 2
- CAS:
- MF:
- Chemical Name:Aripiprazole peroxide degradation Impurity (MW:464Da)
- CAS:
- MF:
- Chemical Name:Zileuton Impurity (MW = 279.31 Da)
- CAS:
- MF:
- Chemical Name:3'-chloro-3'-deoxythymidine (zidovudine impurity)
- CAS:
- MF:
- Chemical Name:Rivaroxaban Impurity 81
- CAS:
- MF:
- Chemical Name:Salbutamol Impurity 37
- CAS:
- MF:
- Chemical Name:Gadobutrol Impurity 21
- CAS:
- MF:
- Chemical Name:Flucloxacillin sodium EP Impurity E
- CAS:
- MF:
- Chemical Name:Pyrazole
- CAS:
- MF:
- Chemical Name:Cephalomannine (Paclitaxel Impurity I)
- CAS:
- MF:
- Chemical Name:Oxaliplatin impurity
- CAS:
- MF:
- Structure:
- Chemical Name:NiMesulide EP IMpurity
- CAS:38880-53-4
- MF:C7H8N2O5S
- Structure:
- Chemical Name:Alogliptin Impurity D
- CAS:1926163-25-8
- MF:C61H86N16O13
- Chemical Name:Moxifloxacin Impurities
- CAS:
- MF:
- Structure:
- Chemical Name:Parecoxib Impurity K
- CAS:198471-69-1
- MF:C17H16N2O3S
- Structure:
- Chemical Name:Linagliptin Impurity K
- CAS:1638744-06-5
- MF:C25H29BrN8O2
- Structure:
- Chemical Name:(R)-2-((6-(3-((3-(2-cyano-5-fluorobenzyl)-1-methyl-2,6-dioxo-1,2,3,6-tetrahydropyrimidin-4-yl)amino)piperidin-1-yl)-3-methyl-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)methyl)-4-fluorobenzonitrile
- CAS:1917324-13-0
- MF:C31H28F2N8O4
- Structure:
- Chemical Name:L-Phenylalanine, N-[(5,7-dichloro-1,2,3,4-tetrahydro-6-isoquinolinyl)carbonyl]-3-(methylsulfonyl)-, phenylmethyl ester, hydrochloride (1:1)
- CAS:1194550-65-6
- MF:C27H27Cl3N2O5S
- Structure:
- Chemical Name:Alogliptin Related Compound 23
- CAS:1618644-29-3
- MF:C20H13ClN4O2
- Chemical Name:Etoricoxib Impurity 14
- CAS:
- MF:
- Chemical Name:Riociguat Impurtiy 3
- CAS:
- MF:
- Chemical Name:Trelagliptin Impurity 2
- CAS:
- MF:
- Structure:
- Chemical Name:Chlorhexidine Impurity B
- CAS:1308292-89-8
- MF:C16H26ClN9O
- Chemical Name:Dapoxetine Impurity D
- CAS:
- MF:
- Chemical Name:Eltrombopag Impurity 5
- CAS:
- MF:
- Structure:
- Chemical Name:Exemestane Impurity 1
- CAS:159354-61-7
- MF:C20H24O3
- Structure:
- Chemical Name:Iguratimod Impurity 9
- CAS:1179354-65-4
- MF:C18H16N2O6S
- Structure:
- Chemical Name:Lidocaine Impurity
- CAS:35891-84-0
- MF:C11H16N2O.ClH
- Chemical Name:Pramipexole Impurity J
- CAS:
- MF:
- Structure:
- Chemical Name:Solifenacin Related Compound 14
- CAS:605696-10-4
- MF:C25H30N2O2
- Structure:
- Chemical Name:4-amino-1-((2R,3R,5S)-2-(hydroxymethyl)-3-oxido-1,3-oxathiolan-5-yl)pyrimidin-2(1H)-one
- CAS:160552-54-5
- MF:C8H11N3O4S
- Structure:
- Chemical Name:1-(4-Hydroxyphenyl)-7-oxo-6-[4-(2-oxopiperidin-1-yl)phenyl]-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-c]pyridine-3-carboxamide
- CAS:503612-76-8
- MF:C24H23N5O4
- Structure:
- Chemical Name:8-[(1R)-1-Hydroxy-2-[[2-(4-methoxyphenyl)-1,1-dimethylethyl]amino]ethyl]-6-(phenylmethoxy)-2H-1,4-benzoxazin-3(4H)-one
- CAS:869478-13-7
- MF:C28H32N2O5
- Structure:
- Chemical Name:1-(2-(methylamino)ethyl)piperidin-4-yl [1,1'-biphenyl]-2-ylcarbamate
- CAS:743460-48-2
- MF:C21H27N3O2
- Structure:
- Chemical Name:Cefuroxime Sodium impurity D
- CAS:
- MF:C16H16N4NaO8S
- Chemical Name:Silodosin impurity A
- CAS:
- MF:
- Chemical Name:cefditoren △-3 isomer
- CAS:
- MF:
- Structure:
- Chemical Name:Ixazomib Impurity 1
- CAS:1201903-02-7
- MF:C24H33BCl2N2O4
- Chemical Name:Ofloxacin/Levofloxacin Impurity E
- CAS:
- MF:
- Structure:
- Chemical Name:(3S)-9,10-difluoro-3-methyl-7-oxo-2,3,6,7-tetrahydro-5H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid
- CAS:1026952-91-9
- MF:C13H11F2NO4
- Structure:
- Chemical Name:((4-Methoxyphenoxy)methylene)dibenzene
- CAS:85686-16-4
- MF:C20H18O2
- Chemical Name:Tofacitinib Impurity L
- CAS:
- MF:
- Structure:
- Chemical Name:1-chloro-3-(dimethoxymethyl)benzene
- CAS:3395-80-0
- MF:C9H11ClO2
- Structure:
- Chemical Name:N-(3-bromo-4-oxocyclohexyl)acetamide
- CAS:687639-03-8
- MF:C8H12BrNO2
- Structure:
- Chemical Name:methyl (Z)-3-(hydroxy(phenyl)methylene)-2-oxoindoline-6-carboxylate
- CAS:
- MF:C44H51N9O4
- Chemical Name:Alvimopan Impurity 5
- CAS:
- MF:
- Structure:
- Chemical Name:Palbociclib-d8
- CAS:1628752-83-9
- MF:C24H21D8N7O2
- Structure:
- Chemical Name:Ivabradine Impurity 15
- CAS:1132667-04-9
- MF:C12H17NO2
- Chemical Name:Sofosbuvir Impurity27
- CAS:
- MF: