irbesartan and its Impurities
Irbesartan is a medication used to treat high blood pressure, heart failure, and diabetic kidney disease. It is sold under the trade name Avapro. It is taken by mouth. Reference standards of Irbesartan API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.
 
	
			                                  ![3-((2'-(1H-Tetrazol-5-yl)-[1,1'-biphenyl]-4-yl)met PA 09 14660](https://www.pharmaffiliates.com/pimages/PA0914660.jpg) 
																				3-((2'-(1H-Tetrazol-5-yl)-[1,1'-biphenyl]-4-yl)methyl)-2-butyl-4-oxo-1,3-diazaspiro[4.4]non-1-ene 1-Oxide
3-((2'-(1H-Tetrazol-5-yl)-[1,1'-biphenyl]-4-yl)methyl)-2-butyl-4-oxo-1,3-diazaspiro[4.4]non-1-ene 1-Oxide
- Catalogue No.:PA 09 14660 
- CAS : - 1809097-02-6
- Molecular Formula : C25H28N6O2 
- Molecular Weight : 444.54 
 
	
			                                  ![3-((2'-(1H-Tetrazol-5-yl)-[1,1'-biphenyl]-4-yl)met PA 09 14670](https://www.pharmaffiliates.com/pimages/PA0914670.jpg) 
																				3-((2'-(1H-Tetrazol-5-yl)-[1,1'-biphenyl]-4-yl)methyl)-2-butyl-2-methoxy-1,3-diazaspiro[4.4]nonan-4-one
3-((2'-(1H-Tetrazol-5-yl)-[1,1'-biphenyl]-4-yl)methyl)-2-butyl-2-methoxy-1,3-diazaspiro[4.4]nonan-4-one
- Catalogue No.:PA 09 14670 
- CAS : - 2204442-81-7
- Molecular Formula : C26H32N6O2 
- Molecular Weight : 460.58 
 
	
			                                   
																				Irbesartan Related Compound A (1-pentanoylamino-cyclopentanecarboxylic acid [2'-(1H-tetrazol-5-yl)- (1347711)
Irbesartan Related Compound A (1-pentanoylamino-cyclopentanecarboxylic acid [2'-(1H-tetrazol-5-yl)- (1347711)
- Catalogue No.:PA USP1347711 
- CAS : - 748812-53-5
- Molecular Formula : NA 
- Molecular Weight : NA 
 
	
			                                   
																				2-Butyl-3-((2'-(1-nitroso-1H-tetrazol-5-yl)-[1,1'-biphenyl]-4-yl)methyl)-1,3-diazaspiro[4.4]non-1-en-4-one
2-Butyl-3-((2'-(1-nitroso-1H-tetrazol-5-yl)-[1,1'-biphenyl]-4-yl)methyl)-1,3-diazaspiro[4.4]non-1-en-4-one
- Catalogue No.:PA 09 0141005 
- CAS : - NA
- Molecular Formula : C25H27N7O2 
- Molecular Weight : 457.54 
 
	
			                                  ![4'-(2-(3-((2'-Cyano-[1,1'-biphenyl]-4-yl)methyl)-4 PA 09 0141007](https://www.pharmaffiliates.com/pimages/PA090141007.jpg) 
																				4'-(2-(3-((2'-Cyano-[1,1'-biphenyl]-4-yl)methyl)-4-oxo-1,3-diazaspiro[4.4]non-1-en-2-yl)pentyl)-[1,1'-biphenyl]-2-carbonitrile
4'-(2-(3-((2'-Cyano-[1,1'-biphenyl]-4-yl)methyl)-4-oxo-1,3-diazaspiro[4.4]non-1-en-2-yl)pentyl)-[1,1'-biphenyl]-2-carbonitrile
- Catalogue No.:PA 09 0141007 
- CAS : - 2512201-51-1
- Molecular Formula : C39H36N4O 
- Molecular Weight : 576.74 
 
	
			                                   
																				4'-((2-Butyl-4,4-dimethyl-5-oxo-4,5-dihydro-1H-imidazol-1-yl)methyl)-[1,1'-biphenyl]-2-carbonitrile
4'-((2-Butyl-4,4-dimethyl-5-oxo-4,5-dihydro-1H-imidazol-1-yl)methyl)-[1,1'-biphenyl]-2-carbonitrile
- Catalogue No.:PAI 09 001566 
- CAS : - 141745-64-4
- Molecular Formula : C23H25N3O 
- Molecular Weight : 359.47 
 
	
			                                   
																				1-Pentanamido-N-((2'-(1-trityl-1H-tetrazol-5-yl)-[1,1'-biphenyl]-4-yl)methyl)cyclopentane-1-carboxamide
1-Pentanamido-N-((2'-(1-trityl-1H-tetrazol-5-yl)-[1,1'-biphenyl]-4-yl)methyl)cyclopentane-1-carboxamide
- Catalogue No.:PAI 09 001569 
- CAS : - 936102-60-2
- Molecular Formula : C44H44N6O2 
- Molecular Weight : 688.88 
 
	
			                                  ![1-((2'-(2H-Tetrazol-5-yl)-[1,1'-biphenyl]-4-yl)met PA 09 0141015](https://www.pharmaffiliates.com/pimages/PA090141015.jpg) 
																				1-((2'-(2H-Tetrazol-5-yl)-[1,1'-biphenyl]-4-yl)methyl)-2-butyl-1,3-diazaspiro[4.4]non-2-en-4-one
1-((2'-(2H-Tetrazol-5-yl)-[1,1'-biphenyl]-4-yl)methyl)-2-butyl-1,3-diazaspiro[4.4]non-2-en-4-one
- Catalogue No.:PA 09 0141015 
- CAS : - 2045222-12-4
- Molecular Formula : C25H28N6O 
- Molecular Weight : 428.54 

 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				![2-Butyl-1,3-diazaspiro[4.4]non-1-en-4-one PA 09 14570](https://www.pharmaffiliates.com/pimages/PA0914570.jpg) 
																				 
																				 
																				![2-Propyl-1,3-diazaspiro[4.4]non-1-en-4-one PA 09 14600](https://www.pharmaffiliates.com/pimages/PA0914600.jpg) 
																				![4'-((4-Oxo-2-propyl-1,3-diazaspiro[4.4]non-1-en-3- PA 09 14610](https://www.pharmaffiliates.com/pimages/PA0914610.jpg) 
																				![N-((2'-cyano-[1,1'-biphenyl]-4-yl)methyl)-1-pentan PA 09 14620](https://www.pharmaffiliates.com/pimages/PA0914620.jpg) 
																				 
																				 
																				 
																				 
																				![2-n-Butyl-d7-1,3-diazaspiro[4.4]non-1-en-4-one PA STI 016180](https://www.pharmaffiliates.com/pimages/PASTI016180.jpg) 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				![4'-(Aminomethyl)-[1,1'-biphenyl]-2-carbonitrile PAI 09 001520](https://www.pharmaffiliates.com/pimages/PAI09001520.jpg) 
																				 
																				![1-Butyramido-N-((2'-cyano-[1,1'-biphenyl]-4-yl)met PAI 09 001540](https://www.pharmaffiliates.com/pimages/PAI09001540.jpg) 
																				![4'-((4-Oxo-2-propyl-1,3-diazaspiro[4.4]non-1-en-3- PAI 09 001550](https://www.pharmaffiliates.com/pimages/PAI09001550.jpg) 
																				![(2'-(1-trityl-1H-tetrazol-5-yl)-[1,1'-biphenyl]-4- PAI 09 001560](https://www.pharmaffiliates.com/pimages/PAI09001560.jpg) 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				![2-Butyl-3-nitroso-1,3-diazaspiro[4.4]non-1-en-4-on PA 09 0141001](https://www.pharmaffiliates.com/pimages/PA090141001.jpg) 
																				![4'-(Azidomethyl)-[1,1'-biphenyl]-2-carbonitrile PA 09 0141002](https://www.pharmaffiliates.com/pimages/PA090141002.jpg) 
																				 
																				 
																				![Sodium 5-(4'-(azidomethyl)-[1,1'-biphenyl]-2-yl-2' PA STI 089061](https://www.pharmaffiliates.com/pimages/PASTI089061.jpg) 
																				![4'-(Diazidomethyl)-[1,1'-biphenyl]-2-carbonitrile PA 09 0141006](https://www.pharmaffiliates.com/pimages/PA090141006.jpg) 
																				 
																				 
																				 
																				 
																				![N-(1-(((2'-Cyano-[1,1'-biphenyl]-4-yl)methyl)amino PAI 09 001565](https://www.pharmaffiliates.com/pimages/PAI09001565.jpg) 
																				 
																				 
																				![4'-(Aminomethyl)-[1,1'-biphenyl]-2-carbonitrile Hy PAI 09 001568](https://www.pharmaffiliates.com/pimages/PAI09001568.jpg) 
																				![4'-(Diazidomethyl)-[1,1'-biphenyl]-2-carboxylic Ac PA 09 0141009](https://www.pharmaffiliates.com/pimages/PA090141009.jpg) 
																				 
																				 
																				![4-Bromo-3-methyl-[1,1'-biphenyl]-2-carbonitrile PA 09 0141011](https://www.pharmaffiliates.com/pimages/PA090141011.jpg) 
																				![4'-[(2-Butyl-4-oxo-1,3-diazaspiro[4.4]non-1-en-3-y PA 09 0141012](https://www.pharmaffiliates.com/pimages/PA090141012.jpg) 
																				![4'-(Azidomethyl)-[1,1'-biphenyl]-2-carbaldehyde PA 09 0141013](https://www.pharmaffiliates.com/pimages/PA090141013.jpg) 
																				![3'-Methyl-[1,1'-biphenyl]-2-carbonitrile PA 09 0141014](https://www.pharmaffiliates.com/pimages/PA090141014.jpg) 
																				 
																				 
																				 
																				 
																				 
 
 
 
