Structure |
Chemical Name |
CAS |
MF |
![Azlocillin Opern-Ring Acetylation Impurity](/) |
Azlocillin Opern-Ring Acetylation Impurity |
|
|
![Miconazole Impurity G(EP)](/CAS/20210111/GIF/1370335-40-2.gif) |
Miconazole Impurity G(EP) |
1370335-40-2 |
C18H14Cl4N2O |
![2-chloro-1-(5-hydroxy-5H-chromeno[2,3-b]pyridin-7-yl)propan-1-one](/) |
2-chloro-1-(5-hydroxy-5H-chromeno[2,3-b]pyridin-7-yl)propan-1-one |
|
|
![2-(5H-chromeno[2,3-b]pyridin-7-yl)acrylic acid](/CAS/20210305/GIF/52549-22-1.gif) |
2-(5H-chromeno[2,3-b]pyridin-7-yl)acrylic acid |
52549-22-1 |
C15H11NO3 |
![1-(6-chloro-5-fluoropyrimidin-4-yl)ethanol](/CAS/20210111/GIF/1289559-76-7.gif) |
1-(6-chloro-5-fluoropyrimidin-4-yl)ethanol |
1289559-76-7 |
C6H6ClFN2O |
![Fluoxetine Impurity 29,methyl({3-phenyl-3-[2-(trifluoromethyl)phenoxy]propyl})amine](/CAS/20210305/GIF/56161-71-8.gif) |
Fluoxetine Impurity 29,methyl({3-phenyl-3-[2-(trifluoromethyl)phenoxy]propyl})amine |
56161-71-8 |
C17H18F3NO |
![(Z)-4-chloro-6-(3-(2,4-difluorophenyl)-4-(1H-1,2,4-triazol-1-yl)but-3-en-2-yl)-5-fluoropyrimidine](/) |
(Z)-4-chloro-6-(3-(2,4-difluorophenyl)-4-(1H-1,2,4-triazol-1-yl)but-3-en-2-yl)-5-fluoropyrimidine |
|
|
![Ceftriaxone sodium impurity 09](/) |
Ceftriaxone sodium impurity 09 |
|
|
![Cefradine Impurity 8](/CAS/20211123/GIF/30959-67-2.gif) |
Cefradine Impurity 8 |
30959-67-2 |
C16H19N3O4S |
![Dobutamine Impurity 3](/CAS/20210111/GIF/334947-75-0.gif) |
Dobutamine Impurity 3 |
334947-75-0 |
C19H25NO3 |
![Anastrozole Impurity 19](/CAS/20210305/GIF/1301724-97-9.gif) |
Anastrozole Impurity 19 |
1301724-97-9 |
C19H21N3O2 |
![Biotin Impurity](/CAS/20210111/GIF/171232-73-8.gif) |
Biotin Impurity |
171232-73-8 |
C19H18N2O2S |
![PANTOPRAZOLE N-OXIDE](/CAS/GIF/953787-60-5.gif) |
PANTOPRAZOLE N-OXIDE |
953787-60-5 |
C16H15F2N3O5S |
![DEHYDROARIPIPRAZOLE, HYDROCHLORIDE](/CAS/GIF/1008531-60-9.gif) |
DEHYDROARIPIPRAZOLE, HYDROCHLORIDE |
1008531-60-9 |
C23H26Cl3N3O2 |
![N-(3-GUANIDINO-4-METHYLPHENYL)-4-(METHYLPIPERAZINE-1-YL-METHYL)BENZAMIDE](/StructureFile/ChemBookStructure22/GIF/CB6649081.gif) |
N-(3-GUANIDINO-4-METHYLPHENYL)-4-(METHYLPIPERAZINE-1-YL-METHYL)BENZAMIDE |
581076-65-5 |
C21H28N6O |
![Tirofiban-d9 Hydrochloride](/CAS/GIF/1331911-68-2.gif) |
Tirofiban-d9 Hydrochloride |
1331911-68-2 |
C22H37ClN2O5S |
![2-Desisopropyl-2-phenyl Repaglinide](/CAS/GIF/107362-12-9.gif) |
2-Desisopropyl-2-phenyl Repaglinide |
107362-12-9 |
C30H34N2O4 |
![2-(3-CHLOROPHENYL)-2-CYANO-1-(3-PYRIDINYL)-1-ETHANONE](/StructureFile/ChemBookStructure20/GIF/CB6507662.gif) |
2-(3-CHLOROPHENYL)-2-CYANO-1-(3-PYRIDINYL)-1-ETHANONE |
114444-10-9 |
C14H9ClN2O |
![BENZENE ACETIC ACID, 4-[(2-CARBOXYPHENYL)METHOXY]](/CAS/GIF/55453-89-9.gif) |
BENZENE ACETIC ACID, 4-[(2-CARBOXYPHENYL)METHOXY] |
55453-89-9 |
C16H14O5 |
![Ipragliflozin Impurity 5](/) |
Ipragliflozin Impurity 5 |
|
|
![Alectinib Impurity](/CAS/20210111/GIF/1256584-83-4.gif) |
Alectinib Impurity |
1256584-83-4 |
C26H25N3O2 |
![Afatinib impurity 11/Des-(4-dimethylamino-2-en-1-oxo)butylamino 6-(5-Hydroxy-pyrrolidin-2-on-1-yl) Afatinib](/CAS/20200515/GIF/2223677-58-3.gif) |
Afatinib impurity 11/Des-(4-dimethylamino-2-en-1-oxo)butylamino 6-(5-Hydroxy-pyrrolidin-2-on-1-yl) Afatinib |
2223677-58-3 |
C22H20ClFN4O4 |
![Ibrutinib Impurity 18](/CAS/20200611/GIF/1881246-01-0.gif) |
Ibrutinib Impurity 18 |
1881246-01-0 |
C16H12N4O |
![Vitamin B1 Impurity 6](/CAS/20200401/GIF/CB65420322.gif) |
Vitamin B1 Impurity 6 |
|
C12H17ClN4OS |
![5,5'-((tert-butylazanediyl)bis(1-hydroxyethane-2,1-diyl))bis(benzene- 1,3-diol)](/CAS/20200401/GIF/CB65422896.gif) |
5,5'-((tert-butylazanediyl)bis(1-hydroxyethane-2,1-diyl))bis(benzene- 1,3-diol) |
|
C20H27NO6 |
![2,2'-difluoro-3,3'-dimethoxy-1,1'-biphenyl](/CAS/20200401/GIF/2316733-82-9.gif) |
2,2'-difluoro-3,3'-dimethoxy-1,1'-biphenyl |
2316733-82-9 |
C14H12F2O2 |
![nicergoline impurity N](/) |
nicergoline impurity N |
|
|
![Clopidogrel Impurity 50](/CAS/20200401/GIF/CB65430815.gif) |
Clopidogrel Impurity 50 |
|
C15H14ClNO2S |
![PraMipexole IMpurity Z1/Z2](/) |
PraMipexole IMpurity Z1/Z2 |
|
|
![trans-Ibuprofen Impurity G](/CAS/20200401/GIF/CB65433735.gif) |
trans-Ibuprofen Impurity G |
|
C13H18O2 |
![Vonoprazan Impurity 15](/) |
Vonoprazan Impurity 15 |
|
|
![Esomeprazole Impurity 6](/) |
Esomeprazole Impurity 6 |
|
|
![Erlotinib Impurity 22](/) |
Erlotinib Impurity 22 |
|
|
![Teneligliptin Impurity 1](/) |
Teneligliptin Impurity 1 |
|
|
![Erlotinib Hydrochloride iMpurity 51](/) |
Erlotinib Hydrochloride iMpurity 51 |
|
|
![(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/20200401/GIF/CB65441219.gif) |
(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 |
|
C17H18N2O6 |
![1H-Imidazole-1-ethanol, α-(chloromethyl)-5-nitro-](/CAS/20211123/GIF/116989-52-7.gif) |
1H-Imidazole-1-ethanol, α-(chloromethyl)-5-nitro- |
116989-52-7 |
C6H8ClN3O3 |
![4-Pyridinemethanol, 3-hydroxy-2,5-dimethyl-, hydrochloride (1:1)](/CAS/20200611/GIF/875-26-3.gif) |
4-Pyridinemethanol, 3-hydroxy-2,5-dimethyl-, hydrochloride (1:1) |
875-26-3 |
C8H11NO2.ClH |
![Afatinib ImpurityOYQ](/) |
Afatinib ImpurityOYQ |
|
|
![Androst-3-en-17-one,(5)](/CAS/GIF/14935-81-0.gif) |
Androst-3-en-17-one,(5) |
14935-81-0 |
C19H28O |
![Landiolol impurity X](/) |
Landiolol impurity X |
|
|
![2-((4-(3-aminopiperidin-1-yl)](/) |
2-((4-(3-aminopiperidin-1-yl) |
|
|
![Rosuvastatin Impurity 111](/) |
Rosuvastatin Impurity 111 |
|
|
![Metoprolol IMpurity V](/CAS/20200331/GIF/CB65477432.gif) |
Metoprolol IMpurity V |
|
C15H25NO3 |
![Teneligliptin Impurity 12](/) |
Teneligliptin Impurity 12 |
|
|
![Nicergoline EP Impurity E](/) |
Nicergoline EP Impurity E |
|
|
![Hexanoic acid, 3-[(hydroxyamino)methyl]-5-methyl-, (3S)-](/CAS/20200401/GIF/2349671-57-2.gif) |
Hexanoic acid, 3-[(hydroxyamino)methyl]-5-methyl-, (3S)- |
2349671-57-2 |
C8H17NO3 |
![α-D-Glucopyranoside, methyl 1-C-[4-chloro-3-[(4-ethoxyphenyl)methyl]phenyl]-, 2,3,4,6-tetraacetate](/CAS/20211123/GIF/714269-58-6.gif) |
α-D-Glucopyranoside, methyl 1-C-[4-chloro-3-[(4-ethoxyphenyl)methyl]phenyl]-, 2,3,4,6-tetraacetate |
714269-58-6 |
C30H35ClO11 |
![Caspofungin Impurity H](/) |
Caspofungin Impurity H |
|
|
![(trans)-3-((benzo[d][1,3]dioxol-5-yloxy)methyl)-4-(4-methoxyphenyl)-1-methylpiperidine hydrochloride](/CAS/20200401/GIF/127017-41-8.gif) |
(trans)-3-((benzo[d][1,3]dioxol-5-yloxy)methyl)-4-(4-methoxyphenyl)-1-methylpiperidine hydrochloride |
127017-41-8 |
C21H26ClNO4 |
![Ezetimibe Impurity 76](/CAS/20200515/GIF/1185883-46-8.gif) |
Ezetimibe Impurity 76 |
1185883-46-8 |
C39H44F2N2O5Si |
![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/20210305/GIF/70953-19-4.gif) |
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 |
70953-19-4 |
C13H15N3O6S2 |
![((cis)-4-(4-fluorophenyl)-1-methylpiperidin-3-yl)methyl 4-methylbenzenesulfonate](/CAS/20200401/GIF/CB65495368.gif) |
((cis)-4-(4-fluorophenyl)-1-methylpiperidin-3-yl)methyl 4-methylbenzenesulfonate |
|
C20H24FNO3S |
![Elagolix Sodium impurity1](/) |
Elagolix Sodium impurity1 |
|
|
![4-[1-methoxy-2-(methylamino)ethyl]benzene-1,2-diol:hydrochloride](/CAS/20180601/GIF/74571-90-7.gif) |
4-[1-methoxy-2-(methylamino)ethyl]benzene-1,2-diol:hydrochloride |
74571-90-7 |
C10H16ClNO3 |
![(1-methylpiperidin-4-yl)(pyridin-2-yl)methanone](/CAS/20180601/GIF/517875-04-6.gif) |
(1-methylpiperidin-4-yl)(pyridin-2-yl)methanone |
517875-04-6 |
C12H16N2O |
![2-cyano-1,3-bis(2-(((5-methyl-1H-imidazol-4-yl)methyl)thio)ethyl)guanidine](/CAS/20180703/GIF/55272-86-1.gif) |
2-cyano-1,3-bis(2-(((5-methyl-1H-imidazol-4-yl)methyl)thio)ethyl)guanidine |
55272-86-1 |
C16H24N8S2 |
![3-(4-(4-amino-5-chloro-2,3-dihydrobenzofuran-7-carboxamido)piperidin-1-yl)propyl 4-amino-5-chloro-2,3-dihydrobenzofuran-7-carboxylate](/) |
3-(4-(4-amino-5-chloro-2,3-dihydrobenzofuran-7-carboxamido)piperidin-1-yl)propyl 4-amino-5-chloro-2,3-dihydrobenzofuran-7-carboxylate |
|
|
![(1R,3R)-1-(benzo[d][1,3]dioxol-5-yl)-2-(dimethylglycyl)-2,3,4,9-tetrahydro-1H-pyrido [3,4-b]indole-3-carboxylate methyl](/CAS/20200611/GIF/2169996-11-4.gif) |
(1R,3R)-1-(benzo[d][1,3]dioxol-5-yl)-2-(dimethylglycyl)-2,3,4,9-tetrahydro-1H-pyrido [3,4-b]indole-3-carboxylate methyl |
2169996-11-4 |
C24H25N3O5 |
![Fulvestrant impurity G](/) |
Fulvestrant impurity G |
|
|
![4-tert-Butyl-N-(6-chloro-5-(2-methoxyphenoxy)-2,2'-bipyrimidin-4-yl)benzenesulfonamide](/CAS/GIF/150727-06-3.gif) |
4-tert-Butyl-N-(6-chloro-5-(2-methoxyphenoxy)-2,2'-bipyrimidin-4-yl)benzenesulfonamide |
150727-06-3 |
C25H24ClN5O4S |
![GLICLAZIDE IMPURITY B](/) |
GLICLAZIDE IMPURITY B |
|
|
![ISOPROMETHAZINE HYDROCHLORIDE](/CAS/GIF/5568-90-1.gif) |
ISOPROMETHAZINE HYDROCHLORIDE |
5568-90-1 |
C17H21ClN2S |
![monocalcium mono((3R,5S,E)-7-(4-(2-fluorophenyl)-6-isopropyl-2- (N-methylmethylsulfonamido)pyrimidin-5-yl)-3,5-dihydroxyhept-6- enoate)](/) |
monocalcium mono((3R,5S,E)-7-(4-(2-fluorophenyl)-6-isopropyl-2- (N-methylmethylsulfonamido)pyrimidin-5-yl)-3,5-dihydroxyhept-6- enoate) |
|
|
![Benzenepropanoic acid, 4-(2-oxiranylmethoxy)-](/CAS/20210305/GIF/2167848-51-1.gif) |
Benzenepropanoic acid, 4-(2-oxiranylmethoxy)- |
2167848-51-1 |
C12H14O4 |
![(S)-(+)-N,N-Dimethyl-3-(1-naphthalenyloxy)-3-(2-thienyl)propanamine](/CAS/GIF/132335-46-7.gif) |
(S)-(+)-N,N-Dimethyl-3-(1-naphthalenyloxy)-3-(2-thienyl)propanamine |
132335-46-7 |
C19H21NOS |
![D-Tryptophan, N-(trifluoroacetyl)- (9CI)](/CAS/20210305/GIF/22220-03-7.gif) |
D-Tryptophan, N-(trifluoroacetyl)- (9CI) |
22220-03-7 |
C13H11F3N2O3 |
![2-fluoro-5-((4-oxo-3,4-dihydrophthalazin-1-yl)methyl)-N-(5-((4-oxo-3,4-dihydrophthalazin-1-yl)methyl)-1H-indazol-3-yl)benzamide](/) |
2-fluoro-5-((4-oxo-3,4-dihydrophthalazin-1-yl)methyl)-N-(5-((4-oxo-3,4-dihydrophthalazin-1-yl)methyl)-1H-indazol-3-yl)benzamide |
|
|
![1H-benzo[d][1,2,3]triazol-1-yl 2-fluoro-5-((4-oxo-3,4-dihydrophthalazin-1-yl)methyl)benzoate](/) |
1H-benzo[d][1,2,3]triazol-1-yl 2-fluoro-5-((4-oxo-3,4-dihydrophthalazin-1-yl)methyl)benzoate |
|
|
![1-Ethyl-3(3-dimethylamino)urea](/CAS/GIF/32897-26-0.gif) |
1-Ethyl-3(3-dimethylamino)urea |
32897-26-0 |
C8H19N3O |
![Brivaracetam Impurity 29](/) |
Brivaracetam Impurity 29 |
|
|
![L-erythro-Hexuronic acid, 3,5-dideoxy-, 1,1-dimethylethyl ester](/CAS/20211123/GIF/1501982-84-8.gif) |
L-erythro-Hexuronic acid, 3,5-dideoxy-, 1,1-dimethylethyl ester |
1501982-84-8 |
C10H18O5 |
![(Gly8-OH)-Carbetocin (Impurity B)](/) |
(Gly8-OH)-Carbetocin (Impurity B) |
|
|
![D-Asn4-Carbetocin (Impurity F)](/) |
D-Asn4-Carbetocin (Impurity F) |
|
|
![Benzoic acid, 2-(1',6'-dihydro-6'-oxo-1'-phenyl[2,3'-bipyridin]-5'-yl)-, methyl ester](/CAS/20210305/GIF/543699-60-1.gif) |
Benzoic acid, 2-(1',6'-dihydro-6'-oxo-1'-phenyl[2,3'-bipyridin]-5'-yl)-, methyl ester |
543699-60-1 |
C24H18N2O3 |
![1-hydrazino-3-(methylthio)propan-2-ol](/CAS/GIF/14359-97-8.gif) |
1-hydrazino-3-(methylthio)propan-2-ol |
14359-97-8 |
C4H12N2OS |
![Benzenemethanol, 4-(3-chloro-2-hydroxypropoxy)-](/CAS/20210305/GIF/293302-44-0.gif) |
Benzenemethanol, 4-(3-chloro-2-hydroxypropoxy)- |
293302-44-0 |
C10H13ClO3 |
![Ibrutinib Impurity 37](/CAS/20210111/GIF/330793-49-2.gif) |
Ibrutinib Impurity 37 |
330793-49-2 |
C10H13IN6 |
![(S)-((6-(propylamino)-4,5,6,7-tetrahydrobenzo[d]thiazol-2-yl)amino)methanol](/CAS/20200401/GIF/CB65519826.gif) |
(S)-((6-(propylamino)-4,5,6,7-tetrahydrobenzo[d]thiazol-2-yl)amino)methanol |
|
C11H19N3OS |
![(trans)-4-((6-amino-2,3-dibromobenzyl)amino)cyclohexanol](/CAS/20200401/GIF/CB65519891.gif) |
(trans)-4-((6-amino-2,3-dibromobenzyl)amino)cyclohexanol |
|
C13H18Br2N2O |
![ERYTHROMYCIN IMPURITY N](/) |
ERYTHROMYCIN IMPURITY N |
|
|
![Fesoterodine Impurity 12](/) |
Fesoterodine Impurity 12 |
|
|
![Dexamethasone EP impurities D](/) |
Dexamethasone EP impurities D |
|
|
![Palbociclib impurity LMAP](/) |
Palbociclib impurity LMAP |
|
|
![(3R,3'R)-3,3'-((((S)-1-amino-1-oxobutan-2-yl)azanediyl)bis(methylene))dihexanoic acid](/CAS/20200401/GIF/CB65559994.gif) |
(3R,3'R)-3,3'-((((S)-1-amino-1-oxobutan-2-yl)azanediyl)bis(methylene))dihexanoic acid |
|
C18H34N2O5 |
![Acetaminophen EP Impurity L](/CAS/20200401/GIF/CB65574450.gif) |
Acetaminophen EP Impurity L |
|
C8H9NO2 |
![Anagrelide Impurity 2 HCl](/) |
Anagrelide Impurity 2 HCl |
|
|
![(R)-4-(2-(benzyl(methyl)amino)-1-hydroxyethyl)benzene-1,2-diol](/CAS/20210111/GIF/317351-40-9.gif) |
(R)-4-(2-(benzyl(methyl)amino)-1-hydroxyethyl)benzene-1,2-diol |
317351-40-9 |
C16H19NO3 |
![N,N'-Bis(4-hydroxyphenyl)hydrazine](/CAS/20210111/GIF/158905-63-6.gif) |
N,N'-Bis(4-hydroxyphenyl)hydrazine |
158905-63-6 |
C12H12N2O2 |
![Droxidopa Impurity M](/) |
Droxidopa Impurity M |
|
|
![Vigabatrin Impurity 2](/) |
Vigabatrin Impurity 2 |
|
|
![Aripiprazole peroxide degradation Impurity (MW:464Da)](/) |
Aripiprazole peroxide degradation Impurity (MW:464Da) |
|
|
![Zileuton Impurity (MW = 279.31 Da)](/) |
Zileuton Impurity (MW = 279.31 Da) |
|
|
![3'-chloro-3'-deoxythymidine (zidovudine impurity)](/) |
3'-chloro-3'-deoxythymidine (zidovudine impurity) |
|
|
![Rivaroxaban Impurity 81](/) |
Rivaroxaban Impurity 81 |
|
|
![Salbutamol Impurity 37](/) |
Salbutamol Impurity 37 |
|
|
![Gadobutrol Impurity 21](/) |
Gadobutrol Impurity 21 |
|
|
![Flucloxacillin sodium EP Impurity E](/) |
Flucloxacillin sodium EP Impurity E |
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![Pyrazole](/) |
Pyrazole |
|
|
![NA](/) |
NA |
|
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