apixaban and its Impurities
Apixaban, sold under the trade name Eliquis among others, is an anticoagulant used to treat and prevent blood clots and to prevent stroke in people with nonvalvular atrial fibrillation.. Reference standards of Apixaban API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below
 
	
			                                   
																				3-Carbamoyl-1-(4-methoxyphenyl)-4-(2-(4-(2-oxopiperidin-1-yl)phenylamino)ethyl)-1H-pyrazole-5-carboxylic Acid
3-Carbamoyl-1-(4-methoxyphenyl)-4-(2-(4-(2-oxopiperidin-1-yl)phenylamino)ethyl)-1H-pyrazole-5-carboxylic Acid
- Catalogue No.:PA 28 11560 
- CAS : - 2206825-81-0
- Molecular Formula : C25H27N5O5 
- Molecular Weight : 477.51 
 
	
			                                   
																				6-(4-Aminophenyl)-1-(4-methoxyphenyl)-7-oxo-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-c]pyridine-3-carboxylic Acid
6-(4-Aminophenyl)-1-(4-methoxyphenyl)-7-oxo-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-c]pyridine-3-carboxylic Acid
- Catalogue No.:PA 28 11580 
- CAS : - 1704504-93-7
- Molecular Formula : C20H18N4O4 
- Molecular Weight : 378.38 
 
	
			                                   
																				Methyl 6-(4-Aminophenyl)-1-(4-methoxyphenyl)-7-oxo-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-c]pyridine-3-carboxylate
Methyl 6-(4-Aminophenyl)-1-(4-methoxyphenyl)-7-oxo-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-c]pyridine-3-carboxylate
- Catalogue No.:PA 28 11600 
- CAS : - 1466571-07-2
- Molecular Formula : C21H20N4O4 
- Molecular Weight : 392.41 
 
	
			                                   
																				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
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
- Catalogue No.:PA 28 11620 
- CAS : - 2203740-09-2
- Molecular Formula : C26H29N5O5 
- Molecular Weight : 491.54 
 
	
			                                   
																				Ethyl 1-(4-methoxyphenyl)-7-oxo-6-(4-(2-oxopiperidin-1-yl)phenyl)-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-c]pyridine-3-carboxylate
Ethyl 1-(4-methoxyphenyl)-7-oxo-6-(4-(2-oxopiperidin-1-yl)phenyl)-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-c]pyridine-3-carboxylate
- Catalogue No.:PA 28 11660 
- CAS : - 503614-91-3
- Molecular Formula : C27H28N4O5 
- Molecular Weight : 488.54 
 
	
			                                   
																				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
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
- Catalogue No.:PA 28 11680 
- CAS : - 2187409-01-2
- Molecular Formula : C25H28N6O4 
- Molecular Weight : 476.53 
 
	
			                                   
																				1-(4-Methoxyphenyl)-6-(4-(5-methyl-2-oxopiperidin-1-yl)phenyl)-7-oxo-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-c]pyridine-3-carboxamide
1-(4-Methoxyphenyl)-6-(4-(5-methyl-2-oxopiperidin-1-yl)phenyl)-7-oxo-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-c]pyridine-3-carboxamide
- Catalogue No.:PA 28 11690 
- CAS : - 1686149-74-5
- Molecular Formula : C26H27N5O4 
- Molecular Weight : 473.52 
 
	
			                                   
																				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
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
- Catalogue No.:PA 28 11700 
- CAS : - 2098457-92-0
- Molecular Formula : C26H27N5O4 
- Molecular Weight : 473.52 
 
	
			                                   
																				1-(4-methoxyphenyl)-7-oxo-6-(4-(2-oxoazepan-1-yl)phenyl)-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-c]pyridine-3-carboxamide
1-(4-methoxyphenyl)-7-oxo-6-(4-(2-oxoazepan-1-yl)phenyl)-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-c]pyridine-3-carboxamide
- Catalogue No.:PA 28 11750 
- CAS : - 1074549-87-3
- Molecular Formula : C26H27N5O4 
- Molecular Weight : 473.53 
 
	
			                                   
																				1-(4-Methoxyphenyl)-7-oxo-6-(4-(2-oxopyrrolidin-1-yl)phenyl)-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-c]pyridine-3-carboxamide
1-(4-Methoxyphenyl)-7-oxo-6-(4-(2-oxopyrrolidin-1-yl)phenyl)-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-c]pyridine-3-carboxamide
- Catalogue No.:PA 28 11760 
- CAS : - 1777781-49-3
- Molecular Formula : C24H23N5O4 
- Molecular Weight : 445.47 
 
	
			                                   
																				6-(4-Aminophenyl)-1-(4-methoxyphenyl)-7-oxo-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-c]pyridine-3-carboxamide
6-(4-Aminophenyl)-1-(4-methoxyphenyl)-7-oxo-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-c]pyridine-3-carboxamide
- Catalogue No.:PA 28 11770 
- CAS : - 1423803-24-0
- Molecular Formula : C20H19N5O3 
- Molecular Weight : 377.4 
 
	
			                                   
																				1-(4-Methoxyphenyl)-3-(morpholine-4-carbonyl)-6-(4-(2-oxopiperidin-1-yl)phenyl)-5,6-dihydro-1H-pyrazolo[3,4-c]pyridin-7(4H)-one
1-(4-Methoxyphenyl)-3-(morpholine-4-carbonyl)-6-(4-(2-oxopiperidin-1-yl)phenyl)-5,6-dihydro-1H-pyrazolo[3,4-c]pyridin-7(4H)-one
- Catalogue No.:PA 28 11780 
- CAS : - 2204368-51-2
- Molecular Formula : C29H31N5O5 
- Molecular Weight : 529.59 
 
	
			                                   
																				(E)-1,2-Bis(4-(3-carbamoyl-1-(4-methoxyphenyl)-7-oxo-4,5-dihydro-1H-pyrazolo[3,4-c]pyridin-6(7H)-yl)phenyl)diazene oxide
(E)-1,2-Bis(4-(3-carbamoyl-1-(4-methoxyphenyl)-7-oxo-4,5-dihydro-1H-pyrazolo[3,4-c]pyridin-6(7H)-yl)phenyl)diazene oxide
- Catalogue No.:PA 28 11790 
- CAS : - NA
- Molecular Formula : C40H34N10O7 
- Molecular Weight : 766.76 
 
	
			                                   
																				Ethyl 6-(4-(5-chloropentanamido)phenyl)-1-(4-methoxyphenyl)-7-oxo-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-c]pyridine-3-carboxylate
Ethyl 6-(4-(5-chloropentanamido)phenyl)-1-(4-methoxyphenyl)-7-oxo-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-c]pyridine-3-carboxylate
- Catalogue No.:PA 28 11810 
- CAS : - 1421823-20-2
- Molecular Formula : C27H29ClN4O5 
- Molecular Weight : 525 
 
	
			                                   
																				N-Formyl-1-(4-methoxyphenyl)-7-oxo-6-(4-(2-oxopiperidin-1-yl)phenyl)-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-c]pyridine-3-carboxamide
N-Formyl-1-(4-methoxyphenyl)-7-oxo-6-(4-(2-oxopiperidin-1-yl)phenyl)-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-c]pyridine-3-carboxamide
- Catalogue No.:PA 28 11830 
- CAS : - 1351611-14-7
- Molecular Formula : C26H25N5O5 
- Molecular Weight : 487.51 
 
	
			                                   
																				7-Oxo-6-(4-(2-oxopiperidin-1-yl)phenyl)-1-phenyl-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-c]pyridine-3-carboxamide
7-Oxo-6-(4-(2-oxopiperidin-1-yl)phenyl)-1-phenyl-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-c]pyridine-3-carboxamide
- Catalogue No.:PA 28 11910 
- CAS : - 1801881-17-3
- Molecular Formula : C24H23N5O3 
- Molecular Weight : 429.48 
 
	
			                                   
																				Ethyl 6-(4-Aminophenyl)-1-(4-methoxyphenyl)-7-oxo-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-c]pyridine-3-carboxylate
Ethyl 6-(4-Aminophenyl)-1-(4-methoxyphenyl)-7-oxo-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-c]pyridine-3-carboxylate
- Catalogue No.:PA 28 0111004 
- CAS : - 503615-07-4
- Molecular Formula : C22H22N4O4 
- Molecular Weight : 406.44 
 
	
			                                   
																				6-(4-(5-chloropentanamido)phenyl)-1-(4-methoxyphenyl)-7-oxo-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-c]pyridine-3-carboxamide
6-(4-(5-chloropentanamido)phenyl)-1-(4-methoxyphenyl)-7-oxo-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-c]pyridine-3-carboxamide
- Catalogue No.:PA 28 0111005 
- CAS : - 1449510-64-8
- Molecular Formula : C25H26ClN5O4 
- Molecular Weight : 495.96 
 
	
			                                   
																				(E)-1,1'-(Diazene-1,2-diylbis(4,1-phenylene))bis(3-morpholino-5,6-dihydropyridin-2(1H)-one)
(E)-1,1'-(Diazene-1,2-diylbis(4,1-phenylene))bis(3-morpholino-5,6-dihydropyridin-2(1H)-one)
- Catalogue No.:PA 28 0111010 
- CAS : - 1998079-15-4
- Molecular Formula : C30H34N6O4 
- Molecular Weight : 542.64 
 
	
			                                   
																				Ethyl 1-(4-methoxyphenyl)-6-(4-nitrophenyl)-7-oxo-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-c]pyridine-3-carboxylate
Ethyl 1-(4-methoxyphenyl)-6-(4-nitrophenyl)-7-oxo-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-c]pyridine-3-carboxylate
- Catalogue No.:PA 28 0111011 
- CAS : - 536759-91-8
- Molecular Formula : C22H20N4O6 
- Molecular Weight : 436.42 
 
	
			                                   
																				1-(4-Methoxyphenyl)-6-(4-(2-methyl-6-oxopiperidin-1-yl)phenyl)-7-oxo-4,5,6,7-tetrahydro-1H-indazole-3-carboxamide
1-(4-Methoxyphenyl)-6-(4-(2-methyl-6-oxopiperidin-1-yl)phenyl)-7-oxo-4,5,6,7-tetrahydro-1H-indazole-3-carboxamide
- Catalogue No.:PA 28 0111013 
- CAS : - 2206360-55-4
- Molecular Formula : C27H28N4O4 
- Molecular Weight : 472.55 
 
	
			                                   
																				(E)-Diethyl 6,6’-(diazene-1,2-diylbis(4,1-phenylene))bis(1-(4-methoxyphenyl)-7-oxo-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-c]pyridine-3-carboxylate)
(E)-Diethyl 6,6’-(diazene-1,2-diylbis(4,1-phenylene))bis(1-(4-methoxyphenyl)-7-oxo-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-c]pyridine-3-carboxylate)
- Catalogue No.:PA 28 0111015 
- CAS : - 1998079-13-2
- Molecular Formula : C44H40N8O8 
- Molecular Weight : 808.85 
 
	
			                                   
																				(Z)-1,2-Bis(4-(3-(ethoxycarbonyl)-1-(4-methoxyphenyl)-7-oxo-4,5-dihydro-1H-pyrazolo[3,4-c]pyridin-6(7H)-yl)phenyl)diazene oxide
(Z)-1,2-Bis(4-(3-(ethoxycarbonyl)-1-(4-methoxyphenyl)-7-oxo-4,5-dihydro-1H-pyrazolo[3,4-c]pyridin-6(7H)-yl)phenyl)diazene oxide
- Catalogue No.:PA 28 0111016 
- CAS : - 1998079-14-3
- Molecular Formula : C44H40N8O9 
- Molecular Weight : 824.85 
 
	
			                                   
																				2-Hydroxyethyl 1-(4-methoxyphenyl)-7-oxo-6-(4-(2-oxopiperidin-1-yl)phenyl)-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-c]pyridine-3-carboxylate
2-Hydroxyethyl 1-(4-methoxyphenyl)-7-oxo-6-(4-(2-oxopiperidin-1-yl)phenyl)-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-c]pyridine-3-carboxylate
- Catalogue No.:PA 28 0111017 
- CAS : - 1904628-10-9
- Molecular Formula : C27H28N4O6 
- Molecular Weight : 504.54 
 
	
			                                   
																				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
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
- Catalogue No.:PA 28 0111018 
- CAS : - 1928718-22-2
- Molecular Formula : C26H27N5O4 
- Molecular Weight : 473.53 
 
	
			                                   
																				Methyl 6-(4-(5-chloropentanamido)phenyl)-1-(4-methoxyphenyl)-7-oxo-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-c]pyridine-3-carboxylate
Methyl 6-(4-(5-chloropentanamido)phenyl)-1-(4-methoxyphenyl)-7-oxo-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-c]pyridine-3-carboxylate
- Catalogue No.:PA 28 0111019 
- CAS : - 2133292-60-9
- Molecular Formula : C26H27ClN4O5 
- Molecular Weight : 510.98 
 
	
			                                   
																				Ethyl 1-(4-chlorophenyl)-7-oxo-6-(4-(2-oxopiperidin-1-yl)phenyl)-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-c]pyridine-3-carboxylate
Ethyl 1-(4-chlorophenyl)-7-oxo-6-(4-(2-oxopiperidin-1-yl)phenyl)-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-c]pyridine-3-carboxylate
- Catalogue No.:PA 28 0111022 
- CAS : - 2029205-62-5
- Molecular Formula : C26H25ClN4O4 
- Molecular Weight : 492.96 
 
	
			                                   
																				Ethyl 2-(5-hydroxy-6-oxo-1-(4-(2-oxopiperidin-1-yl)phenyl)-1,2,3,6-tetrahydropyridin-4-yl)-2-oxoacetate
Ethyl 2-(5-hydroxy-6-oxo-1-(4-(2-oxopiperidin-1-yl)phenyl)-1,2,3,6-tetrahydropyridin-4-yl)-2-oxoacetate
- Catalogue No.:PA 28 0111020 
- CAS : - 1609409-53-1
- Molecular Formula : C20H22N2O6 
- Molecular Weight : 386.4 
 
	
			                                   
																				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
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
- Catalogue No.:PA 28 0111021 
- CAS : - 1619934-76-7
- Molecular Formula : C31H37N5O6 
- Molecular Weight : 575.67 
 
	
			                                   
																				Ethyl 1-(4-(benzyloxy)phenyl)-7-oxo-6-(4-(2-oxopiperidin-1-yl)phenyl)-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-c]pyridine-3-carboxylate
Ethyl 1-(4-(benzyloxy)phenyl)-7-oxo-6-(4-(2-oxopiperidin-1-yl)phenyl)-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-c]pyridine-3-carboxylate
- Catalogue No.:PA 28 0111026 
- CAS : - 1620494-29-2
- Molecular Formula : C33H32N4O5 
- Molecular Weight : 564.64 
 
	
			                                   
																				1-(4-(Benzyloxy)phenyl)-7-oxo-6-(4-(2-oxopiperidin-1-yl)phenyl)-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-c]pyridine-3-carboxamide
1-(4-(Benzyloxy)phenyl)-7-oxo-6-(4-(2-oxopiperidin-1-yl)phenyl)-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-c]pyridine-3-carboxamide
- Catalogue No.:PA 28 0111027 
- CAS : - 1620494-31-6
- Molecular Formula : C31H29N5O4 
- Molecular Weight : 535.6 
 
	
			                                   
																				1-(4-Methoxyphenyl)-6-(4-nitrophenyl)-7-oxo-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-c]pyridine-3-carboxamide
1-(4-Methoxyphenyl)-6-(4-nitrophenyl)-7-oxo-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-c]pyridine-3-carboxamide
- Catalogue No.:PA 28 0111035 
- CAS : - 1642569-42-3
- Molecular Formula : C20H17N5O5 
- Molecular Weight : 407.39 
 
	
			                                   
																				Potassium 3-carbamoyl-1-(4-methoxyphenyl)-4-(2-((4-(2-oxopiperidin-1-yl)phenyl)amino)ethyl)-1H-pyrazole-5-carboxylate
Potassium 3-carbamoyl-1-(4-methoxyphenyl)-4-(2-((4-(2-oxopiperidin-1-yl)phenyl)amino)ethyl)-1H-pyrazole-5-carboxylate
- Catalogue No.:PA 28 0111023 
- CAS : - NA
- Molecular Formula : C25H26KN5O5 
- Molecular Weight : 515.61 
 
	
			                                   
																				5-((4-(3-Carbamoyl-1-(4-methoxyphenyl)-7-oxo-1,4,5,7-tetrahydro-6H-pyrazolo[3,4-c]pyridin-6-yl)phenyl)amino)pentanoic-1-14C acid
5-((4-(3-Carbamoyl-1-(4-methoxyphenyl)-7-oxo-1,4,5,7-tetrahydro-6H-pyrazolo[3,4-c]pyridin-6-yl)phenyl)amino)pentanoic-1-14C acid
- Catalogue No.:PA STI 089014 
- CAS : - 1188385-73-0
- Molecular Formula : C2414CH27N5O5 
- Molecular Weight : 479.51 
 
	
			                                   
																				Ethyl 6-(4-(5-bromopentanamido)phenyl)-1-(4-methoxyphenyl)-7-oxo-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-c]pyridine-3-carboxylate
Ethyl 6-(4-(5-bromopentanamido)phenyl)-1-(4-methoxyphenyl)-7-oxo-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-c]pyridine-3-carboxylate
- Catalogue No.:PA 28 0111040 
- CAS : - 881386-12-5
- Molecular Formula : C27H29BrN4O5 
- Molecular Weight : 569.46 
 
	
			                                   
																				Ethyl 6-(4-(5-chloro-N-nitrosopentanamido)phenyl)-1-(4-methoxyphenyl)-7-oxo-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-c]pyridine-3-carboxylate
Ethyl 6-(4-(5-chloro-N-nitrosopentanamido)phenyl)-1-(4-methoxyphenyl)-7-oxo-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-c]pyridine-3-carboxylate
- Catalogue No.:PA 28 0111047 
- CAS : - NA
- Molecular Formula : C27H28ClN5O6 
- Molecular Weight : 554 

 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
 
 
 
