Structure |
Chemical Name |
CAS |
MF |
![Ertapenem Impurity A(USP)](/) |
Ertapenem Impurity A(USP) |
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![D-Glutamic acid, 4-(cyanomethyl)-N-[(1,1-dimethylethoxy)carbonyl]-, 1,5-dimethyl ester, (4S)-rel-](/CAS/20210305/GIF/2740644-40-8.gif) |
D-Glutamic acid, 4-(cyanomethyl)-N-[(1,1-dimethylethoxy)carbonyl]-, 1,5-dimethyl ester, (4S)-rel- |
2740644-40-8 |
C14H22N2O6 |
![2-hydroxy-3-oxobutyl 2-ethoxy-1-((2'-(5-oxo-4,5-dihydro-1,2,4-oxadiazol-3-yl)-[1,1'-biphenyl]-4-yl)methyl)-1H-benzo[d]imidazole-7-carboxylate](/) |
2-hydroxy-3-oxobutyl 2-ethoxy-1-((2'-(5-oxo-4,5-dihydro-1,2,4-oxadiazol-3-yl)-[1,1'-biphenyl]-4-yl)methyl)-1H-benzo[d]imidazole-7-carboxylate |
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![INDEX NAME NOT YET ASSIGNED](/CAS/20211123/GIF/2731089-65-7.gif) |
INDEX NAME NOT YET ASSIGNED |
2731089-65-7 |
C27H34N2O6 |
![2-(2-ethoxy-3-((4-ethylpiperazin-1-yl)sulfonyl)phenyl)-5-methyl-7-propylimidazo[5,1-f][1,2,4]triazin-4(1H)-one](/) |
2-(2-ethoxy-3-((4-ethylpiperazin-1-yl)sulfonyl)phenyl)-5-methyl-7-propylimidazo[5,1-f][1,2,4]triazin-4(1H)-one |
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![Bumetanide Photodegradable Impurity 15](/) |
Bumetanide Photodegradable Impurity 15 |
|
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![Bisoprolol Impurity 48](/) |
Bisoprolol Impurity 48 |
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![Cyclopentanecarboxylic acid, 3-[(1S)-1-(acetylamino)-2-ethylbutyl]-4-amino-2-hydroxy-, methyl ester, (1S,2S,3R,4R)-, mono(trifluoroacetate) (salt) (9CI)](/CAS/20211123/GIF/357448-34-1.gif) |
Cyclopentanecarboxylic acid, 3-[(1S)-1-(acetylamino)-2-ethylbutyl]-4-amino-2-hydroxy-, methyl ester, (1S,2S,3R,4R)-, mono(trifluoroacetate) (salt) (9CI) |
357448-34-1 |
C17H29F3N2O6 |
![Faropenem Impurity AB](/) |
Faropenem Impurity AB |
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![Nirmatrelvir Impurity 9](/) |
Nirmatrelvir Impurity 9 |
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![4-nitro-1H-Imidazole-2-carboxaldehyde](/CAS/GIF/33543-81-6.gif) |
4-nitro-1H-Imidazole-2-carboxaldehyde |
33543-81-6 |
C4H3N3O3 |
![1-CHLOROMETHYL-2,3,4-TRIMETHOXYBENZENE](/CAS/GIF/1133-49-9.gif) |
1-CHLOROMETHYL-2,3,4-TRIMETHOXYBENZENE |
1133-49-9 |
C10H13ClO3 |
![Bumetanide Impurity 19](/) |
Bumetanide Impurity 19 |
|
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![Rocuronium Bromide Impurity 26 、27](/) |
Rocuronium Bromide Impurity 26 、27 |
|
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![Roxadustat Impurity 20](/) |
Roxadustat Impurity 20 |
|
|
![Ruxolitinib Impurity](/) |
Ruxolitinib Impurity |
|
|
![Sitagliptin Impurity 82](/) |
Sitagliptin Impurity 82 |
|
|
![(1S,7S,8S,8aR)-8-(2-((2R,4R)-4-hydroxy-6-oxotetrahydro-2H-pyran- 2-yl)ethyl)-3,7-dimethyl-1,2,4a,5,6,7,8,8a-octahydronaphthalen-1-yl 2,2-dimethylbutanoate](/) |
(1S,7S,8S,8aR)-8-(2-((2R,4R)-4-hydroxy-6-oxotetrahydro-2H-pyran- 2-yl)ethyl)-3,7-dimethyl-1,2,4a,5,6,7,8,8a-octahydronaphthalen-1-yl 2,2-dimethylbutanoate |
|
|
![Perospirone Impurity 21](/) |
Perospirone Impurity 21 |
|
|
![Perospirone Impurity 11](/) |
Perospirone Impurity 11 |
|
|
![Dolutegravir Impurity 21](/) |
Dolutegravir Impurity 21 |
|
|
![Related impurities of fluoxetine sodium 6](/) |
Related impurities of fluoxetine sodium 6 |
|
|
![Fondaparinux sodium impurity 7](/) |
Fondaparinux sodium impurity 7 |
|
|
![Fondaparinux sodium impurity 3](/) |
Fondaparinux sodium impurity 3 |
|
|
![Oxacillin sodium Impurity B](/) |
Oxacillin sodium Impurity B |
|
|
![Revefenacin Impurity 21](/) |
Revefenacin Impurity 21 |
|
|
![trans N-Benzyl Paroxetine](/CAS/GIF/105813-14-7.gif) |
trans N-Benzyl Paroxetine |
105813-14-7 |
C26H26FNO3 |
![Lasmiditan Impurity 10](/) |
Lasmiditan Impurity 10 |
|
|
![Nilotinib N-Oxide Impurity 3](/) |
Nilotinib N-Oxide Impurity 3 |
|
|
![Pemetrexed Impurity 51](/) |
Pemetrexed Impurity 51 |
|
|
![6-((S)-7-amino-5-azaspiro[2.4]heptan-5-yl)-8-chloro-7-fluoro-1-((1R,2S)-2-fluorocyclopropyl)-4-oxo-1,4-dihydroquinoline-3-carboxylic acid](/) |
6-((S)-7-amino-5-azaspiro[2.4]heptan-5-yl)-8-chloro-7-fluoro-1-((1R,2S)-2-fluorocyclopropyl)-4-oxo-1,4-dihydroquinoline-3-carboxylic acid |
|
|
![(S)-Tamsulosin Hydrochloride](/CAS/GIF/106463-19-8.gif) |
(S)-Tamsulosin Hydrochloride |
106463-19-8 |
C20H29ClN2O5S |
![2,2'-Bisnalmefene](/CAS/GIF/176220-84-1.gif) |
2,2'-Bisnalmefene |
176220-84-1 |
C42H48N2O6 |
![4-Desmethoxypropoxyl-4-chloro Rabeprazole](/CAS/GIF/168167-42-8.gif) |
4-Desmethoxypropoxyl-4-chloro Rabeprazole |
168167-42-8 |
C14H12ClN3OS |
![N-Desmethyl-4-hydroxy Tamoxifen (approx. 1:1 E/Z Mixture)](/CAS/GIF/110025-28-0.gif) |
N-Desmethyl-4-hydroxy Tamoxifen (approx. 1:1 E/Z Mixture) |
110025-28-0 |
C25H27NO2 |
![Rebeprazole sulfone N-oxide](/CAS/GIF/924663-37-6.gif) |
Rebeprazole sulfone N-oxide |
924663-37-6 |
C18H21N3O5S |
![4-(4-Hydroxy-3,5-diiodphenoxy)-3,5-diiodphenylessigsure](/CAS/GIF/67-30-1.gif) |
4-(4-Hydroxy-3,5-diiodphenoxy)-3,5-diiodphenylessigsure |
67-30-1 |
C14H8I4O4 |
![4-Methoxyglucobrassicin](/CAS/GIF/83327-21-3.gif) |
4-Methoxyglucobrassicin |
83327-21-3 |
C17H22N2O10S2 |
![4-methylsulfinylbenzoate](/CAS/GIF/33963-58-5.gif) |
4-methylsulfinylbenzoate |
33963-58-5 |
C8H8O3S |
![Capecitabine Related Compound C](/) |
Capecitabine Related Compound C |
|
|
![Glycopyrrolate Erythro Isomer](/CAS/GIF/201667-20-1.gif) |
Glycopyrrolate Erythro Isomer |
201667-20-1 |
|
![5-chloro-N-(4,5-dihydro-1H-imidazol-2-yl)quinoxalin-6-amine](/CAS/20180808/GIF/91147-46-5.gif) |
5-chloro-N-(4,5-dihydro-1H-imidazol-2-yl)quinoxalin-6-amine |
91147-46-5 |
C11H10ClN5 |
![(S)-(+)-3-HYDROXYTETRAHYDROFURAN](/CAS/GIF/79107-75-8.gif) |
(S)-(+)-3-HYDROXYTETRAHYDROFURAN |
79107-75-8 |
C4H8OS |
![4-Chlor-3-nitro-5-sulfobenzoesure](/CAS/GIF/130262-91-8.gif) |
4-Chlor-3-nitro-5-sulfobenzoesure |
130262-91-8 |
C7H4ClNO7S |
![4-(4-Methylpiperazin-1-ylmethyl)benzoic acid](/CAS/GIF/106261-48-7.gif) |
4-(4-Methylpiperazin-1-ylmethyl)benzoic acid |
106261-48-7 |
C13H18N2O2 |
![α,α-Diphenylpiperidin-4-methanolhydrochlorid](/CAS/GIF/1798-50-1.gif) |
α,α-Diphenylpiperidin-4-methanolhydrochlorid |
1798-50-1 |
C18H22ClNO |
![3-(2-amino-1-hydroxyethyl)benzene-1,2-diol](/CAS/GIF/73660-93-2.gif) |
3-(2-amino-1-hydroxyethyl)benzene-1,2-diol |
73660-93-2 |
C8H11NO3 |
![3-(4-Methyl-1H-imidazol-1-yl)-5-(trifluoromethyl)benzonitrile](/CAS/GIF/641571-12-2.gif) |
3-(4-Methyl-1H-imidazol-1-yl)-5-(trifluoromethyl)benzonitrile |
641571-12-2 |
C12H8F3N3 |
![17-BETA-ESTRADIOL 3-METHYL ETHER](/CAS/GIF/1474-53-9.gif) |
17-BETA-ESTRADIOL 3-METHYL ETHER |
1474-53-9 |
C19H26O3 |
![7-Epi-10-oxo-docetaxel (Docetaxel Impurity D)](/CAS/GIF/162784-72-7.gif) |
7-Epi-10-oxo-docetaxel (Docetaxel Impurity D) |
162784-72-7 |
C43H51NO14 |
![(3-CHLORO-3-PHENYL-PROPYL)-DIMETHYL-AMINE HYDROCHLORIDE](/CAS/GIF/79130-51-1.gif) |
(3-CHLORO-3-PHENYL-PROPYL)-DIMETHYL-AMINE HYDROCHLORIDE |
79130-51-1 |
C11H16ClN |
![(Dimethylamino)acetaldehyde Dimethyl Acetal](/CAS/GIF/38711-20-5.gif) |
(Dimethylamino)acetaldehyde Dimethyl Acetal |
38711-20-5 |
C6H15NO2 |
![Dasatinib N-Oxide](/CAS/GIF/910297-52-8.gif) |
Dasatinib N-Oxide |
910297-52-8 |
C22H26ClN7O3S |
![(R)-9-[2-(DIETHYLPHOSPHONOMETHOXY)PROPYL] ADENINE](/StructureFile/ChemBookStructure8/GIF/CB6190088.gif) |
(R)-9-[2-(DIETHYLPHOSPHONOMETHOXY)PROPYL] ADENINE |
180587-75-1 |
C13H22N5O4P |
![P-TOLYL-PROPYNOIC ACID ETHYL ESTER](/CAS/GIF/52188-06-4.gif) |
P-TOLYL-PROPYNOIC ACID ETHYL ESTER |
52188-06-4 |
C12H12O2 |
![cis-N-Methyl-4-(3,4-dichlorophenyl)-1,2,3,4-tetrahydro-1-naphthalenamine hydrochloride](/CAS/GIF/79617-89-3.gif) |
cis-N-Methyl-4-(3,4-dichlorophenyl)-1,2,3,4-tetrahydro-1-naphthalenamine hydrochloride |
79617-89-3 |
C17H17Cl2N.HCl |
![2,4-DIMETHYLDIPHENYLSULFIDE](/CAS/GIF/16704-47-5.gif) |
2,4-DIMETHYLDIPHENYLSULFIDE |
16704-47-5 |
C14H14S |
![Dibenz[b,e]oxepin-11(6H)-on](/CAS/GIF/4504-87-4.gif) |
Dibenz[b,e]oxepin-11(6H)-on |
4504-87-4 |
C14H10O2 |
![2-CHLORO-1-(4,5-DICHLORO-2-THIENYL)ETHAN-1-ONE](/CAS/GIF/64218-50-4.gif) |
2-CHLORO-1-(4,5-DICHLORO-2-THIENYL)ETHAN-1-ONE |
64218-50-4 |
C6H3Cl3OS |
![(5Z,7E)-9,10-Seco-26,27-cyclo-1α,3β-dihydroxycholesta-5,7,10(19)-trien-24-one](/CAS/20200515/GIF/126860-84-2.gif) |
(5Z,7E)-9,10-Seco-26,27-cyclo-1α,3β-dihydroxycholesta-5,7,10(19)-trien-24-one |
126860-84-2 |
C27H40O3 |
![(-)-3-Demethylcolchicine](/CAS/GIF/7336-33-6.gif) |
(-)-3-Demethylcolchicine |
7336-33-6 |
C21H23NO6 |
![2-[4-(4-Chlorobenzoyl)phenoxy]-2-methylpropionic acid methyl ester](/CAS/GIF/42019-07-8.gif) |
2-[4-(4-Chlorobenzoyl)phenoxy]-2-methylpropionic acid methyl ester |
42019-07-8 |
C18H17ClO4 |
![1,3-Dimethyl-5,5-diallylhexahydropyrimidine-2,4,6-trione](/CAS/GIF/722-97-4.gif) |
1,3-Dimethyl-5,5-diallylhexahydropyrimidine-2,4,6-trione |
722-97-4 |
C12H16N2O3 |
![Pseudomonic acid C](/CAS/20210111/GIF/71980-98-8.gif) |
Pseudomonic acid C |
71980-98-8 |
C26H44O8 |
![D,L-O-DesMethyl Venlafaxine-d6](/StructureFile/ChemBookStructure8/GIF/CB6240466.gif) |
D,L-O-DesMethyl Venlafaxine-d6 |
1062605-69-9 |
C16H19D6NO2 |
![(E)-3-[p-Bromomethylphenyl]acrylic acid ethyl ester](/CAS/GIF/78712-67-1.gif) |
(E)-3-[p-Bromomethylphenyl]acrylic acid ethyl ester |
78712-67-1 |
C12H13BrO2 |
![3-Amino-2-butenoic acid](/CAS/GIF/21112-45-8.gif) |
3-Amino-2-butenoic acid |
21112-45-8 |
C4H7NO2 |
![DU 6858](/CAS/GIF/127199-06-8.gif) |
DU 6858 |
127199-06-8 |
C19H18ClF2N3O3 |
![rac 4-[4-(Oxiranylmethoxy)-1,2,5-thiadiazol-3-yl]morpholine](/CAS/GIF/58827-68-2.gif) |
rac 4-[4-(Oxiranylmethoxy)-1,2,5-thiadiazol-3-yl]morpholine |
58827-68-2 |
C9H13N3O3S |
![rac a-Hydroxy Ibuprofen](/CAS/GIF/60057-62-7.gif) |
rac a-Hydroxy Ibuprofen |
60057-62-7 |
C13H18O3 |
![3a,7a-dihydroxy-5-(1-methyl-1H-indole-3-carbonyl)-hexahydro-1H-benzo[d]imidazol-2(3H)-one](/CAS/GIF/171967-74-1.gif) |
3a,7a-dihydroxy-5-(1-methyl-1H-indole-3-carbonyl)-hexahydro-1H-benzo[d]imidazol-2(3H)-one |
171967-74-1 |
C17H19N3O4 |
![5-(5-Chlorosulfonyl-2-ethoxyphenyl)-3-propyl-1,6-dihydro_x000b_-7H-pyrazolo[4,3-d]pyrimidin-7-one](/CAS/GIF/139756-31-3.gif) |
5-(5-Chlorosulfonyl-2-ethoxyphenyl)-3-propyl-1,6-dihydro_x000b_-7H-pyrazolo[4,3-d]pyrimidin-7-one |
139756-31-3 |
C16H17ClN4O4S |
![5,7-difluorochroman-4-one](/CAS2/GIF/844648-22-2.gif) |
5,7-difluorochroman-4-one |
844648-22-2 |
C9H6F2O2 |
![(3R,5R,6E)-7-[2-Cyclopropyl-4-(4-fluorophenyl)-3-quinolinyl]-3,5-dihydroxy-6-heptenoic acid](/CAS2/GIF/769908-13-6.gif) |
(3R,5R,6E)-7-[2-Cyclopropyl-4-(4-fluorophenyl)-3-quinolinyl]-3,5-dihydroxy-6-heptenoic acid |
769908-13-6 |
C25H24FNO4 |
![(7a,17b)-7-7-[9-[(4,4,5,5,5-Pentafluoropentyl)sulfinyl]nonyl]-estra-1,3,5(10)-triene-3,17-diol 17-acetate](/CAS/20180808/GIF/261506-24-5.gif) |
(7a,17b)-7-7-[9-[(4,4,5,5,5-Pentafluoropentyl)sulfinyl]nonyl]-estra-1,3,5(10)-triene-3,17-diol 17-acetate |
261506-24-5 |
C34H49F5O4S |
![1-(1H-benzo[d]imidazol-2-yl)-3-methyl-4-oxo-1,4-dihydropyridine-2-carboxylic acid](/CAS2/GIF/1163685-30-0.gif) |
1-(1H-benzo[d]imidazol-2-yl)-3-methyl-4-oxo-1,4-dihydropyridine-2-carboxylic acid |
1163685-30-0 |
C14H11N3O3 |
![O-Desethyl Candesartan Cilexetil](/CAS/GIF/869631-11-8.gif) |
O-Desethyl Candesartan Cilexetil |
869631-11-8 |
C31H30N6O6 |
![Epi Lovastatin](/CAS/GIF/79952-44-6.gif) |
Epi Lovastatin |
79952-44-6 |
C24H36O5 |
![Hydroxy Brimonidine](/CAS/GIF/1216379-05-3.gif) |
Hydroxy Brimonidine |
1216379-05-3 |
C11H12BrN5O |
![7-Methoxy-3,4-dihydro-1H-quinolin-2-one](/CAS2/GIF/22246-17-9.gif) |
7-Methoxy-3,4-dihydro-1H-quinolin-2-one |
22246-17-9 |
C10H11NO2 |
![4-Methoxy-alpha-methyl-N-(phenylmethyl)benzeneethanamine hydrochloride](/CAS2/GIF/1049695-95-5.gif) |
4-Methoxy-alpha-methyl-N-(phenylmethyl)benzeneethanamine hydrochloride |
1049695-95-5 |
C17H21NO.HCl |
![Montelukast Methyl Ketone](/CAS/GIF/937275-23-5.gif) |
Montelukast Methyl Ketone |
937275-23-5 |
C34H32ClNO3S |
![Propyl Itraconazole](/CAS/GIF/74855-91-7.gif) |
Propyl Itraconazole |
74855-91-7 |
C34H36Cl2N8O4 |
![3-methyleneisobenzofuran-1(3H)-one](/CAS2/GIF/3453-63-2.gif) |
3-methyleneisobenzofuran-1(3H)-one |
3453-63-2 |
C9H6O2 |
![Irbesartan impurity A](/CAS/20200331/GIF/CB62514437.gif) |
Irbesartan impurity A |
|
C25H28N6O |
![(N-tert-Butoxycarbonyl-N-[(1'R)-hydroxy-1-phenyl)ethyl])-4-nitrophenylethylaMine](/CAS/20180713/GIF/223673-35-6.gif) |
(N-tert-Butoxycarbonyl-N-[(1'R)-hydroxy-1-phenyl)ethyl])-4-nitrophenylethylaMine |
223673-35-6 |
C21H26N2O5 |
![Azelastine N-Oxide](/CAS/GIF/640279-88-5.gif) |
Azelastine N-Oxide |
640279-88-5 |
C22H24ClN3O2 |
![Desloratadine Hydroxypiperidine N-Oxide](/CAS/GIF/1193725-75-5.gif) |
Desloratadine Hydroxypiperidine N-Oxide |
1193725-75-5 |
C19H15ClN2O2 |
![16α,17,21-Trihydroxy-pregna-1,4-diene-3,11,20-trione](/CAS/GIF/3754-05-0.gif) |
16α,17,21-Trihydroxy-pregna-1,4-diene-3,11,20-trione |
3754-05-0 |
C21H26O6 |
![4H-Furo[2,3-c]pyranyl Mupirocin SodiuM IMpurity](/CAS/GIF/116182-43-5.gif) |
4H-Furo[2,3-c]pyranyl Mupirocin SodiuM IMpurity |
116182-43-5 |
C26H43NaO9 |
![4-Methyl Erlotinib Hydrochloride](/CAS/20140608/GIF/CB62544810.gif) |
4-Methyl Erlotinib Hydrochloride |
1346601-52-2 |
C23H25N3O4 |
![5-[[(4-Fluorophenyl)Methyl]aMino]-1,3-dihydro-2H-iMidazo[4,5-b]pyridin-2-one](/CAS/GIF/951624-49-0.gif) |
5-[[(4-Fluorophenyl)Methyl]aMino]-1,3-dihydro-2H-iMidazo[4,5-b]pyridin-2-one |
951624-49-0 |
C13H11FN4O |
![Perindoprilat LactaM B](/CAS/GIF/130061-28-8.gif) |
Perindoprilat LactaM B |
130061-28-8 |
C17H26N2O4 |
![PseudoMonic Acid D SodiuM](/CAS/GIF/85178-60-5.gif) |
PseudoMonic Acid D SodiuM |
85178-60-5 |
C26H41NaO9 |
![N-DesMethyl SuMatriptan](/CAS/GIF/88919-51-1.gif) |
N-DesMethyl SuMatriptan |
88919-51-1 |
C13H19N3O2S |
![3,5-DiMethyl-1-nitroadaMantane](/CAS/20150408/GIF/6588-68-7.gif) |
3,5-DiMethyl-1-nitroadaMantane |
6588-68-7 |
C12H19NO2 |
![6-O-Benzyl-4-dehydroxy-4-diMethylphenylsilyl Entecavir](/CAS/GIF/649761-24-0.gif) |
6-O-Benzyl-4-dehydroxy-4-diMethylphenylsilyl Entecavir |
649761-24-0 |
C27H31N5O2Si |
![Desisobutyl-n-butyl BortezoMib](/CAS/GIF/1104011-35-9.gif) |
Desisobutyl-n-butyl BortezoMib |
1104011-35-9 |
C19H25BN4O4 |
![2-aMino-4-Methoxy-5-(3-Morpholinopropoxy)benzaMide](/CAS/20150408/GIF/246512-44-7.gif) |
2-aMino-4-Methoxy-5-(3-Morpholinopropoxy)benzaMide |
246512-44-7 |
C15H23N3O4 |
![N-(4,6-dichloro-2-(propylthio)pyriMidin-5-yl)forMaMide](/CAS/20150408/GIF/1402150-28-0.gif) |
N-(4,6-dichloro-2-(propylthio)pyriMidin-5-yl)forMaMide |
1402150-28-0 |
C8H9Cl2N3OS |