Impurities

Apixaban Amino Acid Impurity

CAS Number

2206825-87-6

O-Desmethyl Apixaban

CAS Number

503612-76-8

Ethyl 2-chloro-2-(2- (4-chlorophenyl) hydrazono)acetate

CAS Number

27143-09-5

2-(5-Hydroxy-6-oxo-1-(4-(2-oxopiperidin-1-yl)phenyl)-1,2,3,6-tetrahydropyridin-4-yl)-2-oxoacetic acid

CAS Number

1609409-54-2

3,3-Dichloro-1-(4-nitrophenyl)piperidin-2-one

CAS Number

881386-01-2

5-Chloro-N-(4-nitrophenyl)pentanamide

CAS Number

1039914-85-6

Apixaban USP Related Compound G

CAS Number

881386-12-5

1-(4-Aminophenyl)-3-morpholino-5,6-dihydropyridin-2(1H)-one

CAS Number

1267610-26-3

Ethyl 1-(4-methoxyphenyl)-7a-morpholino-7-oxo-6-(4-(2-oxopiperidin-1-yl)phenyl)-3a,4,5,6,7,7a-hexahydro-1H-pyrazolo[3,4-c]pyridine-3-carboxylate

CAS Number

1619934-76-7

Apixaban Impurity E

CAS Number

1609409-53-1

1-(4-Ethoxyphenyl)-7-oxo-6-(4-(2-oxopiperidin-1-yl)phenyl)-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-c]pyridine-3-carboxamide

CAS Number

1928718-22-2

3-Chloro-1-(2-nitrophenyl)-5,6-dihydropyridin-2(1H)-one

CAS Number

2219376-48-2

Apixaban Related Compound F

CAS Number

536759-91-8

6-(4-(5- chloropentanamido) phenyl) -1-(4-methoxyphenyl)-7-oxo- 4,5,6,7-tetrahydro- 1H-pyrazolo[3,4-c] pyridine-3-carboxamide

CAS Number

1449510-64-8

Ethyl 6-(4-Aminophenyl)-1-(4-methoxyphenyl)-7-oxo-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-c]pyridine-3-carboxylate

CAS Number

503615-07-4

1-(4-Nitrophenyl)piperidin-2-one

CAS Number

38560-30-4

Apixaban Carboxylic Acid Impurity

CAS Number

503614-92-4(base)

Alternate CAS Number

1926236-73-8(sodium Salt)

6-(4-Aminophenyl)-1-(4-methoxyphenyl)-7-oxo-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-c]pyridine-3-carboxylic Acid

CAS Number

1704504-93-7

Methyl 6-(4-Aminophenyl)-1-(4-methoxyphenyl)-7-oxo-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-c]pyridine-3-carboxylate

CAS Number

1466571-07-2

Apixaban Methyl Ester Impurity

CAS Number

1074365-84-6

Methyl 5-((4-(3-Carbamoyl-1-(4-methoxyphenyl)-7-oxo-4,5-dihydro-1H-pyrazolo[3,4-c]pyridin-6(7H)-yl)phenyl)amino)pentanoate

CAS Number

2203740-09-2

Ethyl 2-chloro-2-(2- (4-methoxyphenyl) hydrazono)acetate

CAS Number

27143-07-3

3-Morpholino-1-(4-(2-oxopiperidin-1-yl)phenyl)pyridin-2(1H)-one

CAS Number

2413365-22-5

Apixaban Ethyl Ester Impurity

CAS Number

503614-91-3

6-(4-((5-Amino-5-oxopentyl)amino)phenyl)-1-(4-methoxyphenyl)-7-oxo-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-c]pyridine-3-carboxamide

CAS Number

2187409-01-2

Ascorbic acid

CAS Number

50-81-7(freebase)

Alternate CAS Number

5743-28-2(calcium dihydrate Salt); 134-03-2(Na Salt)

Ascorbic Acid EP Impurity F

CAS Number

89-65-6

3-O-Ethyl-L-Ascorbic Acid

CAS Number

86404-04-8

Oxalic Acid

CAS Number

144-62-7

Alternate CAS Number

856335-90-5 (hydrate)

L-Dehydro Ascorbic Acid

CAS Number

490-83-5(free base)

Alternate CAS Number

51260-76-5 (Na salt)

Azilsartan Amidoxime

CAS Number

1449029-77-9

Azilsartan Hydroxy Acid

CAS Number

1397836-49-5

O-Desethyl Azilsartan

CAS Number

1442400-68-1

Azilsartan imidazole carbonyl dioxolene ester

CAS Number

1514933-19-7

Aspartame EP Impurity B

CAS Number

13433-09-5

Aspartame

1-(4-Methoxyphenyl)-6-(4-(2-methyl-6-oxopiperidin-1-yl)phenyl)-7-oxo-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-c]pyridine-3-carboxamide

CAS Number

2098457-92-0

3-Chloro-1-(4-nitrophenyl)-5,6-dihydropyridin-2(1H)-one

CAS Number

536760-29-9

6-(4-Aminophenyl)-1-(4-methoxyphenyl)-7-oxo-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-c]pyridine-3-carboxamide

CAS Number

1423803-24-0

5-Chloro-N-(4-(3-morpholino-2-oxo-5,6-dihydropyridin-1(2H)-yl)phenyl)pentanamide

CAS Number

1643330-62-4

Apixaban Related Compound H

CAS Number

1421823-20-2

Apixaban Related Compound D

CAS Number

1351611-14-7

3-Morpholino-1-(4-nitrophenyl)-5,6-dihydropyridin-2(1H)-one

CAS Number

503615-03-0