| Structure |
Chemical Name |
CAS |
MF |
 |
1-(4-NITRO-PHENYL)-PIPERIDIN-2-ONE |
39257-91-5 |
C5H10O2S |
 |
ethyl (E)-2-(2-(4-methoxyphenyl)hydrazono)propanoate |
4792-57-8 |
C12H16N2O3 |
 |
Apixaban Amino Acid Impurity |
2206825-87-6 |
C25H27N5O5 |
 |
Apixaban Impurity 52 |
1620494-31-6 |
C31H29N5O4 |
![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/20180703/GIF/503612-76-8.gif) |
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 |
503612-76-8 |
C24H23N5O4 |
 |
Apixaban Impurity 32 |
|
|
|
|
Apixaban Impurity 48 |
|
|
|
|
Apixaban Impurity 29 |
|
|
|
|
Apixaban Impurity 89 |
|
|
 |
Apixaban Impurity 17 |
1423803-24-0 |
C20H19N5O3 |
 |
Ethanedioic acid, monoethyl ester, 2-(4-methoxyphenyl)hydrazide |
2614-10-0 |
C11H14N2O4 |
|
|
Afatinib impurity 37 |
|
|
![Apixaban impurity 14/6-(4-aminophenyl)-1-(4-methoxyphenyl)-7-oxo-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-c]pyridine-3-carboxylic acid](/CAS/20200611/GIF/1704504-93-7.gif) |
Apixaban impurity 14/6-(4-aminophenyl)-1-(4-methoxyphenyl)-7-oxo-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-c]pyridine-3-carboxylic acid |
1704504-93-7 |
C20H18N4O4 |
 |
Apixaban Impurity 70 |
1998079-14-3 |
C44H40N8O9 |
|
|
Apixaban iMpurity 5 |
|
|
|
|
Apixaban Impurity 39 |
|
|
 |
2(1H)-Pyridinone, 1-(3-aminophenyl)-5,6-dihydro-3-(4-morpholinyl)- |
2437650-75-2 |
C15H19N3O2 |
|
|
Apixaban impurity 66S |
|
|
|
|
Tafluprost Impurity 17 |
|
|
|
|
Rosuvastatin Impurity 160 （Sodium salt) |
|
|
 |
|
2964549-48-0 |
C32H34F2N6O7S2 |
|
|
Rosuvastatin Impurity 131 |
|
|
|
|
Rosuvastatin Impurity 125 |
|
|
|
|
Terlipressin Impurity 2 (des-Gly1,Gly2) |
|
|
![BENZHYDRYL 6,6-DIHYDROPENICILLIC ACID 1-OXIDE[TAZOBACTAM INTERMEDIATE]](/CAS/20180713/GIF/87579-78-0.gif) |
BENZHYDRYL 6,6-DIHYDROPENICILLIC ACID 1-OXIDE[TAZOBACTAM INTERMEDIATE] |
87579-78-0 |
C21H21NO4S |
|
|
4-(2-((2R,3R)-3-(2,5-difluorophenyl)-3-hydroxy-4-(1H-1,2,4-triazol-1-yl)butan-2-yl)thiazol-4-yl)benzamide |
|
|
![Imiquimod Related Compound B (25 mg) (1-Isobutyl-1H-imidazo[4,5-c]quinoline 5-oxide)](/CAS/20150408/GIF/99010-63-6.gif) |
Imiquimod Related Compound B (25 mg) (1-Isobutyl-1H-imidazo[4,5-c]quinoline 5-oxide) |
99010-63-6 |
C14H15N3O |
 |
Phthalic acid, 3,3'-azoxydi- (8CI) |
22895-28-9 |
C16H10N2O9 |
 |
Olaparib impurity 1 |
763113-06-0 |
C24H24N4O3 |
 |
4-Quinazolinamine,N-(3-ethenylphenyl)-6,7-bis(2-methoxyethoxy)-,hydrochloride(1:1) |
1624294-38-7 |
C22H26ClN3O4 |
 |
4-Oxiranylmethoxy-benzaldehyde |
14697-49-5 |
C10H10O3 |
 |
Alogliptin Related Compound 24 |
1430222-06-2 |
C14H12ClN3O2 |
|
|
Apremilast Impurity 1 |
|
|
 |
Etoricoxib Impurity 15 |
73312-69-3 |
C5H8ClNO |
|
|
Ibrutinib Impurity 1 |
|
|
|
|
Mirabegron Impurity 13 |
|
|
|
|
Riociguat Impurtiy 4 |
|
|
 |
Cabozantinib Impurity |
1355031-15-0 |
C16H14N2O3 |
|
|
Canagliflozin open-ring impurity |
|
|
|
|
Dapoxetine Impurity E |
|
|
|
|
Linagliptin Impurity X |
|
|
|
|
Apremilast Impurity E |
|
|
|
|
Apixaban Impurity A |
|
|
 |
Apremilast Impurity 34 |
2469037-82-7 |
C20H20N2O7S |
![CLOPIDOGREL RELATED COMPOUND B (20 MG) (METHYL(+/-)-(O-CHLOROPHENYL)-4,5-DIHYDROTHIE-NO[2,3-C]PYRIDINE-6(7H)-ACETATE, HYDROCHLORIDE)](/CAS/GIF/144750-52-7.gif) |
CLOPIDOGREL RELATED COMPOUND B (20 MG) (METHYL(+/-)-(O-CHLOROPHENYL)-4,5-DIHYDROTHIE-NO[2,3-C]PYRIDINE-6(7H)-ACETATE, HYDROCHLORIDE) |
144750-52-7 |
C16H16ClNO2S.ClH |
 |
Allopurinol Related CoMpound F |
321571-07-7 |
C12H14N4O4 |
![Dofetilide Related Compound A (25 mg) (N-[4-(2-(2-[4-(methanesulfonamido)phenoxy]ethyl)amino)phenyl]methanesulfonamide)](/CAS/20180808/GIF/176447-94-2.gif) |
Dofetilide Related Compound A (25 mg) (N-[4-(2-(2-[4-(methanesulfonamido)phenoxy]ethyl)amino)phenyl]methanesulfonamide) |
176447-94-2 |
C18H25N3O5S2 |
 |
Pazopanib Related Compound 2 |
1226500-02-2 |
C26H23ClN10 |
 |
5-(1-Methyl-4-Piperidyl)5H-Dibenzo |
3967-32-6 |
C21H23NO |
![N-[(1R,3r,5S)-9-azabicyclo[3.3.1]non-3-yl]-1-Methyl-1H-indazole-3-carboxaMide hydrochloride](/CAS/GIF/141136-01-8.gif) |
N-[(1R,3r,5S)-9-azabicyclo[3.3.1]non-3-yl]-1-Methyl-1H-indazole-3-carboxaMide hydrochloride |
141136-01-8 |
C17H23ClN4O |
 |
BIRG 616 BS |
287980-84-1 |
C12H10N4O |
![5,11-dihydro-6H-11-ethyl-4-Methyl-dipyrido[3,2-b:2',3'-e][1,4]diazepin-6-one](/CAS/GIF/133627-17-5.gif) |
5,11-dihydro-6H-11-ethyl-4-Methyl-dipyrido[3,2-b:2',3'-e][1,4]diazepin-6-one |
133627-17-5 |
C14H14N4O |
 |
8-Chlor-3,7-dihydro-1,3,7-trimethyl-1H-purin-2,6-dion |
4921-49-7 |
C8H9ClN4O2 |
![Econazole Related Compound C (15 mg) (1-(4-Chlorobenzyl)-3-[(2RS)-2-[(4-chlorobenzyl)oxy]-2-(2,4-dichlorophenyl)ethyl]imidazolium chloride)](/CAS/20240320/GIF/57265-33-5.gif) |
Econazole Related Compound C (15 mg) (1-(4-Chlorobenzyl)-3-[(2RS)-2-[(4-chlorobenzyl)oxy]-2-(2,4-dichlorophenyl)ethyl]imidazolium chloride) |
57265-33-5 |
|
|
|
Ertapenem Impurity C(USP) |
|
|
|
|
Ertapenem Impurity 22 |
|
|
|
|
(1-carboxy-1-(3-methyl-5-oxo-1-phenyl-4,5-dihydro-1H-pyrazol-4-yl)ethyl)-L-cysteine |
|
|
 |
1,4-Butanediaminium, N1,N4-diethyl-N1,N1,N4,N4-tetrakis(1-methylethyl)-, bromide (1:2) |
1621467-18-2 |
C20H46BrN2+ |
 |
1,6,10,14-Hexadecatetraen-3-ol, 3,7,11,15-tetramethyl-, (6Z,10E)- |
3790-76-9 |
C20H34O |
|
|
Bisoprolol Impurity 51 |
|
|
 |
2-Deoxy-2,2-difluoro-D-ribofuranose-3,5-dibenzoate-1-methanesulfonate |
134877-42-2 |
C20H18F2O8S |
|
|
Pitavastatin Impurity 105 |
|
|
|
|
Nirmatrelvir Impurity 11 |
|
|
|
|
Bumetanide Impurity 21 |
|
|
![4'-(Hydroxymethyl)-[1,1'-Biphenyl]-2-Carboxylic Acid](/CAS/GIF/158144-54-8.gif) |
4'-(Hydroxymethyl)-[1,1'-Biphenyl]-2-Carboxylic Acid |
158144-54-8 |
C14H12O3 |
|
|
Brivaracetam Impurity 118 |
|
|
 |
1-(4-((2-(4-hydroxypiperidin-1-yl)ethyl)(methyl)carbamoyl)benzyl)piperidine-4-carboxylic acid |
2975124-11-7 |
C22H34N4O3 |
|
|
Empagliflozin Impurity 108 |
|
|
|
|
Perospirone Impurity 28 |
|
|
|
|
Perospirone Impurity 23 |
|
|
|
|
Perospirone Impurity 16 |
|
|
|
|
Dolutegravir Impurity 24 |
|
|
|
|
Paxlovid Impurity 18 |
|
|
|
|
Related impurities of fluoxetine sodium 8 |
|
|
|
|
Fondaparinux sodium impurity 15 |
|
|
|
|
Fondaparinux Sodium Impurity 10 |
|
|
|
|
Oxacillin sodium Impurity E |
|
|
|
|
Revefenacin Impurity 19 |
|
|
|
|
Caspofungin Impurity 11 |
|
|
|
|
Miglitol Isomer ImpurityA |
|
|
|
|
sodium (6R,7S)-7-(2-mercaptoacetamido)-7-methoxy-3-(((1-methyl-1H-tetrazol-5-yl)thio)methyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate |
|
|
|
|
Olodaterol Impurity 33 |
|
|
 |
(1R,4S)-N-Desmethyl Sertraline Hydrochloride |
675126-08-6 |
C16H15Cl2N.ClH |
 |
3-(4-Formylaminobutyryl)pyridine |
887355-56-8 |
C10H12N2O2 |
 |
Didesmethyl Erlotinib Hydrochloride Salt |
183320-12-9 |
C20H20ClN3O4 |
 |
Lisinopril R,S,S-Diketopiperazine |
219677-82-4 |
C21H29N3O4 |
![4-Chloromethyl-N-[4-methyl-3-[[4-(pyridin-3-yl)pyrimidin-2-yl]amino]phenyl]benzamide](/CAS/GIF/404844-11-7.gif) |
4-Chloromethyl-N-[4-methyl-3-[[4-(pyridin-3-yl)pyrimidin-2-yl]amino]phenyl]benzamide |
404844-11-7 |
C24H20ClN5O |
 |
6-Mercaptopurine disulfide |
49808-20-0 |
C10H6N8S2 |
 |
Dexivacaine |
24358-84-7 |
C15H22N2O |
 |
5-ForMyl-8-hydroxycarbostyril |
68304-21-2 |
C10H7NO3 |
|
|
Capecitabine Related Compound A |
|
|
 |
1-Pyrrolidineaceticacid,2-(aminocarbonyl)-,(2S)-(9CI) |
277751-02-7 |
C7H12N2O3 |
 |
2-Pyrrolidinecarbonitrile,1-acetyl-,(2S)-(9CI) |
700376-84-7 |
C7H10N2O |
 |
1-Piperazinecarboxylicacid,4-methyl-,ethylester(6CI,9CI) |
59325-11-0 |
C8H16N2O2 |
 |
(1S,4R)-4-Amino-2-cyclopenten-1-carboxylic Acid Hydrochloride |
134234-04-1 |
C6H9NO2 |
 |
erythronolide B |
3225-82-9 |
C21H38O7 |
 |
desmethylmianserin |
71936-92-0 |
C17H18N2 |
 |
3-demethylthiocolchicine |
87424-25-7 |
C21H23NO5S |
 |
2,6-di-tert-butyl-4-methylene-2,5-cyclohexadienone |
2607-52-5 |
C15H22O |
 |
2-acetyl-2-decarboxamidooxytetracycline |
6542-44-5 |
C23H25NO8 |