| Structure |
Chemical Name |
CAS |
MF |
 |
3-Quinolinecarboxylic acid, 1-cyclopropyl-7-fluoro-1,4-dihydro-6,8-dimethoxy-4-oxo-, ethyl ester |
2489671-14-7 |
C17H18FNO5 |
 |
Bisoprolol Impurity 17 |
109791-19-7 |
C15H23NO5 |
 |
Furosemide Impurity 5 |
518336-22-6 |
C12H10ClNO3 |
 |
Lumateperone Impurity 2 |
313544-32-0 |
C16H19N3O3 |
 |
Pramipexole Impurity 55 |
959012-83-0 |
C8H11NO2 |
![2-Pyridinecarboxamide, 4,4′-[carbonylbis[imino(3-fluoro-4,1-phenylene)oxy]]bis[N-methyl-](/CAS/20211123/GIF/2438857-80-6.gif) |
2-Pyridinecarboxamide, 4,4′-[carbonylbis[imino(3-fluoro-4,1-phenylene)oxy]]bis[N-methyl- |
2438857-80-6 |
C27H22F2N6O5 |
 |
Nicergoline Impurity 01 |
|
|
|
|
impurity 38 |
|
|
|
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Aprepitant impurity 1 |
|
|
![Benzonitrile, 4-[3-[(acetyloxy)methyl]-4-bromophenoxy]-](/CAS/20200611/GIF/2227126-09-0.gif) |
Benzonitrile, 4-[3-[(acetyloxy)methyl]-4-bromophenoxy]- |
2227126-09-0 |
C16H12BrNO3 |
 |
3-Pyridineacrylonitrile, α-(m-chlorophenyl)-β-hydroxy- (8CI) |
18206-80-9 |
C14H9ClN2O |
 |
Androsta-3,16-dien-17-ol, acetate, (5α)- (9CI) |
103088-58-0 |
C21H30O2 |
 |
1-Naphthalenamine, 1,2,3,4-tetrahydro-N-methyl-4-phenyl-, (1S,4S)- |
91797-61-4 |
C17H19N |
 |
2-Pyridineethanamine, N-methyl-N-nitroso- |
32635-81-7 |
C8H11N3O |
|
|
Peramivir Impurity 45 |
|
|
 |
Pentanamide, 5-(diphenylphosphinyl)-N-ethyl- |
2512198-63-7 |
C19H24NO2P |
![1H-Pyrido[3',4':4,5]pyrrolo[1,2,3-de]quinoxaline-8(7H)-carboxylic acid, 2,3,6b,9,10,10a-hexahydro-, ethyl ester, (6bR,10aS)-](/CAS/20210111/GIF/313369-17-4.gif) |
1H-Pyrido[3',4':4,5]pyrrolo[1,2,3-de]quinoxaline-8(7H)-carboxylic acid, 2,3,6b,9,10,10a-hexahydro-, ethyl ester, (6bR,10aS)- |
313369-17-4 |
C16H21N3O2 |
 |
Ergoline-8-methanol, 10-hydroxy-1,6-dimethyl-, 8-(5-bromo-3-pyridinecarboxylate), (8β)- |
57935-66-7 |
C23H24BrN3O3 |
![(1S,2S,3R,5S)-3-(7-(((1R,2S)-2-(4-fluorophenyl)cyclopropyl)amino)-5-(propylthio)-3H-[1,2,3]triazolo[4,5-d]pyrimidin-3-yl)-5-(2-hydroxyethoxy)cyclopentane-1,2-diol](/CAS/20180629/GIF/CB03954746.gif) |
(1S,2S,3R,5S)-3-(7-(((1R,2S)-2-(4-fluorophenyl)cyclopropyl)amino)-5-(propylthio)-3H-[1,2,3]triazolo[4,5-d]pyrimidin-3-yl)-5-(2-hydroxyethoxy)cyclopentane-1,2-diol |
|
C23H29FN6O4S |
 |
(5-Ethyl-1H-imidazol-4-yl)methanol |
38603-74-6 |
C6H10N2O |
 |
(Z)-1-(6-methylpyridin-3-yl)-2-(4-(methylsulfonyl)phenyl)ethanone oxime |
1810761-43-3 |
C15H16N2O3S |
 |
tert-butyl 2-((4R,6S)-6-(2-aminoethyl)-2,2-dimethyl-1,3-dioxan-4-yl)acetate |
|
C14H27NO4 |
|
|
Apixaban Impurity A |
|
|
 |
ethylidene phthalide |
61658-90-0 |
C10H8O2 |
![6-amino-2-(1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl) -7-methyl-7,9-dihydro-8H-purin-8-one](/CAS/20180629/GIF/1361569-18-7.gif) |
6-amino-2-(1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl) -7-methyl-7,9-dihydro-8H-purin-8-one |
1361569-18-7 |
C19H15FN8O |
 |
5-(TRIFLUOROMETHYL)-3-P-TOLYL-1H-PYRAZOLE |
219986-64-8 |
C11H9F3N2 |
![IRBESARTAN RELATED COMPOUND A (25 MG) (1-PENTANOYLAMINO-CYCLOPENTANECARBOXYLIC ACID [2'-(1H-TETRAZOL-5-YL)-BIPHENYL-4-YLMETHYL]-AMIDE)](/CAS/20180808/GIF/748812-53-5.gif) |
IRBESARTAN RELATED COMPOUND A (25 MG) (1-PENTANOYLAMINO-CYCLOPENTANECARBOXYLIC ACID [2'-(1H-TETRAZOL-5-YL)-BIPHENYL-4-YLMETHYL]-AMIDE) |
748812-53-5 |
C25H30N6O2 |
![FENOFIBRATE RELATED COMPOUND C (25 MG) (1-METHYLETHYL 2-[[2-[4-(4-CHLOROBENZOYL)PHENOXY]-2-METHYLPROPANOYL]OXY]-2-METHYLPROPANOATE)](/CAS/GIF/217636-48-1.gif) |
FENOFIBRATE RELATED COMPOUND C (25 MG) (1-METHYLETHYL 2-[[2-[4-(4-CHLOROBENZOYL)PHENOXY]-2-METHYLPROPANOYL]OXY]-2-METHYLPROPANOATE) |
217636-48-1 |
C24H27ClO6 |
 |
4-(DIPHENYLMETHYL)-1-PIPERAZINEETHANOL DIHYDROCHLORIDE |
108983-83-1 |
C19H26Cl2N2O |
 |
2-Piperazine-4-amino-6,7-dimethoxyquinazoline |
60547-97-9 |
C14H19N5O2 |
 |
N-ACETYL-4-BENZOQUINONE IMINE |
50700-49-7 |
C8H7NO2 |
 |
DIGOXIGENIN-TETRA-DIGITOXOSIDE |
31539-05-6 |
C47H74O17 |
|
|
Afatinib impurity 82 |
|
|
|
|
Afatinib impurity 82 |
|
|
|
|
Sugammadex sodium Impurity 51 |
|
|
|
|
Sugammadex sodium Impurity 42 |
|
|
 |
Org49095 |
2412952-95-3 |
C71H111NaO48S8 |
|
|
Clopidogrel Impurity 55 |
|
|
|
|
Cabozantinib impurity 43 |
|
|
|
|
(5S,6S,7S)-7-(2-(1H-tetrazol-1-yl)acetamido)-3-(((5-methyl-1,3,4- thiadiazol-2-yl)thio)methyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2- ene-2-carboxylic acid 5-oxide |
|
|
![Ethanone, 2-chloro-1-[3-nitro-4-(phenylmethoxy)phenyl]-](/CAS/20210111/GIF/871266-45-4.gif) |
Ethanone, 2-chloro-1-[3-nitro-4-(phenylmethoxy)phenyl]- |
871266-45-4 |
C15H12ClNO4 |
![Benzeneethanamine, N-[2-(3,4-dimethoxyphenyl)ethyl]-3,4-dimethoxy-](/CAS/20210305/GIF/24997-88-4.gif) |
Benzeneethanamine, N-[2-(3,4-dimethoxyphenyl)ethyl]-3,4-dimethoxy- |
24997-88-4 |
C20H27NO4 |
![1H-Pyrazolo[3,4-c]pyridine-3-carboxamide, 4,5,6,7-tetrahydro-1-(4-methoxyphenyl)-6-(4-nitrophenyl)-7-oxo-](/CAS/20210305/GIF/1642569-42-3.gif) |
1H-Pyrazolo[3,4-c]pyridine-3-carboxamide, 4,5,6,7-tetrahydro-1-(4-methoxyphenyl)-6-(4-nitrophenyl)-7-oxo- |
1642569-42-3 |
C20H17N5O5 |
|
|
1H-Pyrazolo[3,4-c]pyridine-3-carboxamide, 4,5,6,7-tetrahydro-1-(4-methoxyphenyl)-6-(4-nitrophenyl)-7-oxo- |
1642569-42-3 |
C20H17N5O5 |
|
|
Avatrombopag Impurity 23 |
|
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|
|
Avatrombopag Impurity 34 |
|
|
|
|
Cisatracurium besylate impurity11 |
|
|
|
|
(3R,5S,E)-tert-butyl 7-(4-(2-fluorophenyl)-6-isopropyl-2-(N-methyl methylsulfonamido)pyrimidin-5-yl)-3,5-dihydroxyhept-6-enoate |
|
|
![Acetamide, N-?[4-?[5-?(acetylamino)?-?2-?hydroxyphenoxy]?phenyl]?-](/CAS/20211123/GIF/2575516-61-7.gif) |
Acetamide, N-?[4-?[5-?(acetylamino)?-?2-?hydroxyphenoxy]?phenyl]?- |
2575516-61-7 |
C16H16N2O4 |
|
|
Ganciclovir EP Impurity |
|
|
|
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Crisaborole Impurity 15 |
|
|
|
|
Latamoxef impurity A |
|
|
![5,8-Dihydroxy-1,4-bis-[2-(2-hydroxy-ethylamino)-ethylamino]-2,3-dihydro-anthraquinone](/CAS/20210305/GIF/70476-74-3.gif) |
5,8-Dihydroxy-1,4-bis-[2-(2-hydroxy-ethylamino)-ethylamino]-2,3-dihydro-anthraquinone |
70476-74-3 |
C22H30N4O6 |
|
|
(E)-methyl 3-(((4-(N-methyl-2-(4-methylpiperazin-1-yl)acetamido)phenyl)amino)(phenyl)methylene)-2-oxoindoline-6-carboxylate |
|
|
 |
2-AMino-5-(trifluoroMethoxy)phenyl Thiocyanate |
1391054-04-8 |
C8H5F3N2OS |
![3-cyclopropyl-1-(2-fluoro-4-iodophenyl)-6,8-diMethyl-2,4,7-trioxo-1,2,3,4,7,8-hexahydropyrido[2,3-d]pyriMidin-5-yl 4-Methylbenzenesulfonate](/CAS/GIF/871700-32-2.gif) |
3-cyclopropyl-1-(2-fluoro-4-iodophenyl)-6,8-diMethyl-2,4,7-trioxo-1,2,3,4,7,8-hexahydropyrido[2,3-d]pyriMidin-5-yl 4-Methylbenzenesulfonate |
871700-32-2 |
C25H21FIN3O6S |
 |
4-(4-fluoro-3-(piperazine-1-carbonyl)benzyl)phthalazin-1(2H)-one |
763111-47-3 |
C20H19FN4O2 |
![(2S,4R)-5-(Biphenyl-4-yl)-4-[(tert-butoxycarbonyl)amino]-2-methylpentanoic acid](/CAS/20180629/GIF/1012341-54-6.gif) |
(2S,4R)-5-(Biphenyl-4-yl)-4-[(tert-butoxycarbonyl)amino]-2-methylpentanoic acid |
1012341-54-6 |
C23H29NO4 |
![Calcium bis[4-{[(1S,3R)-1-([1,1'-biphenyl]-4-ylmethyl)-3-methyl-4-oxo-4-(propan-2-yloxyl)butyl]amino}-4-oxobutanoate]](/CAS/20180629/GIF/CB02995780.gif) |
Calcium bis[4-{[(1S,3R)-1-([1,1'-biphenyl]-4-ylmethyl)-3-methyl-4-oxo-4-(propan-2-yloxyl)butyl]amino}-4-oxobutanoate] |
|
C50H60CaN2O10 |
 |
3-(4-methyl-1H-imidazol-1-yl)-5-(trifluoromethyl)benzamide |
917391-28-7 |
C12H10F3N3O |
|
|
Alogliptin Impurity E |
|
|
|
|
Alogliptin Impurity E |
|
|
![Carbamic acid, N-[(1R)-2-[5-(2-fluoro-3-methoxyphenyl)-3-[[2-fluoro-6-(trifluoromethyl)phenyl]methyl]-3,6-dihydro-4-methyl-2,6-dioxo-1(2H)-pyrimidinyl]-1-phenylethyl]-, 1,1-dimethylethyl ester](/CAS/20180629/GIF/830346-51-5.gif) |
Carbamic acid, N-[(1R)-2-[5-(2-fluoro-3-methoxyphenyl)-3-[[2-fluoro-6-(trifluoromethyl)phenyl]methyl]-3,6-dihydro-4-methyl-2,6-dioxo-1(2H)-pyrimidinyl]-1-phenylethyl]-, 1,1-dimethylethyl ester |
830346-51-5 |
C33H32F5N3O5 |
 |
Baicalein 6-O-glucoside |
28279-72-3 |
C21H20O10 |
 |
(2S,3R)-2-(2,4-difluorophenyl)-1-(1H-1,2,4-triazol-1-yl)butane-2,3-diol |
135272-36-5 |
C12H13F2N3O2 |
![Cycloocta[b]pyridine, 2-(4-ethyl-1-piperazinyl)-5,6,7,8,9,10-hexahydro-4-phenyl-](/CAS/20180629/GIF/132810-75-4.gif) |
Cycloocta[b]pyridine, 2-(4-ethyl-1-piperazinyl)-5,6,7,8,9,10-hexahydro-4-phenyl- |
132810-75-4 |
C23H31N3 |
![(R)-1-(3-(4-amino-3-(4-phenoxyphenyl)-1H-pyrazolo[3,4-d]pyrimidin-1-yl)piperidin-1-yl)propan-1-one](/CAS/20180629/GIF/1839099-22-7.gif) |
(R)-1-(3-(4-amino-3-(4-phenoxyphenyl)-1H-pyrazolo[3,4-d]pyrimidin-1-yl)piperidin-1-yl)propan-1-one |
1839099-22-7 |
C25H26N6O2 |
 |
BJQMFFOQQWEWAF-DGBYXFBUSA-N |
1709825-83-1 |
C31H41ClO8 |
![4-amino-5-ethylsulfonyl-2-methoxy-N-[[1-(1,1,2,2,2-pentadeuterioethyl)pyrrolidin-2-yl]methyl]benzamide](/CAS/20180528/GIF/1216626-17-3.gif) |
4-amino-5-ethylsulfonyl-2-methoxy-N-[[1-(1,1,2,2,2-pentadeuterioethyl)pyrrolidin-2-yl]methyl]benzamide |
1216626-17-3 |
C17H22D5N3O4S |
 |
3-Oxo Atorvastatin tert-Butyl Ester |
134394-98-2 |
C37H41FN2O5 |
|
|
Cefminox Impurity 1 |
|
|
 |
Amlodipine Impurity 25 |
|
C26H31ClN2O8S |
 |
LORATADINE IMPURITY F |
|
C22H23ClN2O2 |
|
|
ZIDOVUDINE IMPURITY A |
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|
![Propanoic acid, 2-[[(Z)-[1-(2-amino-4-thiazolyl)-2-[[(2S,3S)-2-methyl-4-oxo-1-sulfo-3-azetidinyl]amino]-2-oxoethylidene]amino]oxy]-2-methyl-, 1-(1,1-dimethylethyl) ester](/CAS/20200515/GIF/330944-50-8.gif) |
Propanoic acid, 2-[[(Z)-[1-(2-amino-4-thiazolyl)-2-[[(2S,3S)-2-methyl-4-oxo-1-sulfo-3-azetidinyl]amino]-2-oxoethylidene]amino]oxy]-2-methyl-, 1-(1,1-dimethylethyl) ester |
330944-50-8 |
C17H25N5O8S2 |
 |
Canagliflozin Peroxide Impurity |
2247196-28-5 |
C24H25FO7S |
![(αR)-α-Methyl-N-[3-[3-(trifluoromethyl)phenyl]propyl]-2-naphthalenemethanamine Hydrochloride](/CAS/20210111/GIF/2200269-28-7.gif) |
(αR)-α-Methyl-N-[3-[3-(trifluoromethyl)phenyl]propyl]-2-naphthalenemethanamine Hydrochloride |
2200269-28-7 |
C22H23ClF3N |
![2-(4-Fluorophenyl)-δ-hydroxy-5-(1-methylethyl)-β-oxo-3-phenyl-4-[(phenylamino)carbonyl]-1H-pyrrole-1-heptanoic Acid 1,1-Dimethylethyl Ester](/CAS/20210305/GIF/947262-20-6.gif) |
2-(4-Fluorophenyl)-δ-hydroxy-5-(1-methylethyl)-β-oxo-3-phenyl-4-[(phenylamino)carbonyl]-1H-pyrrole-1-heptanoic Acid 1,1-Dimethylethyl Ester |
947262-20-6 |
C37H41FN2O5 |
|
|
Atorvastatin Impurity E Intermediate |
|
|
|
|
Ceftazidime Double Mother Nucleus Impurity |
|
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Cefuroxime Sodium Trans Impurity I，(E)-Cefuroxime Sodium Impurity I |
|
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Faropenem Degradation Impurity B |
|
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|
|
2-chloro-1-(5-isopropoxy-5H-chromeno[2,3-b]pyridin-7-yl)propan-1-one |
|
|
 |
Oxacillin Impurity 1 |
36231-30-8 |
C19H19N3O6S |
|
|
Brivaracetam Impurity 33 |
|
|
 |
Edoxaban Impurity 29 |
2244103-96-4 |
C24H30ClN7O5S |
 |
Arformoterol Impurity 24 |
477552-93-5 |
C19H24N2O3 |
 |
Pregabalin Impurity 99 |
949890-75-9 |
C16H23NO4 |
 |
Roxatidine Impurity 9 |
87327-60-4 |
C4H6O4 |
|
|
Regofenib impurity K |
|
|
|
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Chlorpheniramine Impurity 4 |
|
|
|
|
Peramivir Impurity 43 |
|
|
 |
N-(4-BROMOBUTYL)-7-(4-BROMOBUTOXY)-QUINOLINE-2(1H)-ONE |
1076199-56-8 |
C17H21Br2NO2 |
 |
7-methoxy-3,4-dihydro-1-naphthalenylacetonitrile |
861960-34-1 |
C13H13NO |
![METHYL 2-[(2,5-DICHLOROBENZOYL)AMINO]ACETATE](/StructureFile/ChemBookStructure4/GIF/CB0665441.gif) |
METHYL 2-[(2,5-DICHLOROBENZOYL)AMINO]ACETATE |
338965-44-9 |
C10H9Cl2NO3 |
|
|
Cabozantinib impurity 75 |
|
|
|
|
Cabozantinib impurity 73 |
|
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|
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Canagliflozin Impurity 69 |
|
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Dapoxetine impurity 65 |
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Dapoxetine impurity 59 |
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