brimonidine and its Impurities
Brimonidine is indicated for the lowering of intraocular pressure in patients with open-angle glaucoma or ocular hypertension.. Reference standards of Brimonidine API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below
 
	
			                                   
																				9-(5-Bromoquinoxalin-6-yl)-6,7-dihydroxy-2,6,7,9-tetrahydro-3H-imidazo[1,2-a][1,3]diazepine-5,8-dione
9-(5-Bromoquinoxalin-6-yl)-6,7-dihydroxy-2,6,7,9-tetrahydro-3H-imidazo[1,2-a][1,3]diazepine-5,8-dione
- Catalogue No.:PA 02 0441008 
- CAS : - NA
- Molecular Formula : C15H12BrN5O4 
- Molecular Weight : 406.2 
 
	
			                                   
																				(Z)-1-(5-Bromoquinoxalin-6-yl)-3-hydroxy-8,9-dihydro-1H-imidazo[2,1-c][1,2,4]oxadiazocin-6(5H)-one
(Z)-1-(5-Bromoquinoxalin-6-yl)-3-hydroxy-8,9-dihydro-1H-imidazo[2,1-c][1,2,4]oxadiazocin-6(5H)-one
- Catalogue No.:PA 02 0441014 
- CAS : - NA
- Molecular Formula : C15H12BrN5O3 
- Molecular Weight : 390.2 
 
	
			                                   
																				N2-(5-Bromoquinoxalin-6-yl)-N2'-(7-bromoquinoxalin-6-yl)-4,4',5,5'-tetrahydro-[1,1'-biimidazole]-2,2'-diamine
N2-(5-Bromoquinoxalin-6-yl)-N2'-(7-bromoquinoxalin-6-yl)-4,4',5,5'-tetrahydro-[1,1'-biimidazole]-2,2'-diamine
- Catalogue No.:PA 02 0441016 
- CAS : - NA
- Molecular Formula : C22H18Br2N10 
- Molecular Weight : 582.26 
 
	
			                                   
																				1-(2-((5-Bromoquinoxalin-6-yl)amino)-4,5-dihydro-1H-imidazol-1-yl)-5-methyl-2,5-dihydro-1H-pyrrol-3-ol
1-(2-((5-Bromoquinoxalin-6-yl)amino)-4,5-dihydro-1H-imidazol-1-yl)-5-methyl-2,5-dihydro-1H-pyrrol-3-ol
- Catalogue No.:PA 02 0441021 
- CAS : - NA
- Molecular Formula : C16H17BrN6O 
- Molecular Weight : 389.26 
 
	
			                                   
																				8-(5-Bromo-6-quinoxalinyl)-2,3,5,6,7,8-hexahydro-5-oxoimidazo[1,2-a]pyrimidine-7-carboxylic Acid
8-(5-Bromo-6-quinoxalinyl)-2,3,5,6,7,8-hexahydro-5-oxoimidazo[1,2-a]pyrimidine-7-carboxylic acid
- Catalogue No.:PA 02 0441023 
- CAS : - 934548-66-0
- Molecular Formula : C15H12BrN5O3 
- Molecular Weight : 390.2 
 
	
			                                   
																				8-(5-Bromoquinoxalin-6-yl)-7-oxo-2,3,5,6,7,8-hexahydroimidazo[1,2-a]pyrimidine-5-carboxylic Acid
8-(5-Bromoquinoxalin-6-yl)-7-oxo-2,3,5,6,7,8-hexahydroimidazo[1,2-a]pyrimidine-5-carboxylic Acid
- Catalogue No.:PA 02 0441024 
- CAS : - NA
- Molecular Formula : C15H12BrN5O3 
- Molecular Weight : 390.2 
 
	
			                                   
																				3-((2-(Isopropylamino)ethyl)(3-(1-methyl-1H-pyrazol-4-yl)quinoxalin-6-yl)amino)-5-methoxyphenol
3-((2-(Isopropylamino)ethyl)(3-(1-methyl-1H-pyrazol-4-yl)quinoxalin-6-yl)amino)-5-methoxyphenol
- Catalogue No.:PA 02 0441029 
- CAS : - 1346243-57-9
- Molecular Formula : C24H28N6O2 
- Molecular Weight : 432.53 
 
	
			                                   
																				Ethyl 8-(5-bromoquinoxalin-6-yl)-5-oxo-2,3,5,6,7,8-hexahydroimidazo[1,2-a]pyrimidine-7-carboxylate
Ethyl 8-(5-bromoquinoxalin-6-yl)-5-oxo-2,3,5,6,7,8-hexahydroimidazo[1,2-a]pyrimidine-7-carboxylate
- Catalogue No.:PA 02 0441030 
- CAS : - NA
- Molecular Formula : C17H16BrN5O3 
- Molecular Weight : 418.25 
 
	
			                                   
																				8-(5-Bromo-6-quinoxalinyl)-2,3,5,6,7,8-hexahydro-5-oxoimidazo[1,2-a]pyrimidine-7-carboxylic Acid Lithium Salt
8-(5-Bromo-6-quinoxalinyl)-2,3,5,6,7,8-hexahydro-5-oxoimidazo[1,2-a]pyrimidine-7-carboxylic Acid Lithium Salt
- Catalogue No.:PA 02 0441031 
- CAS : - NA
- Molecular Formula : C15H11BrLiN5O3 
- Molecular Weight : 396.13 

 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				![9,10-Dihydro-7H-imidazo[2',1':2,3]imidazo[4,5-f]qu PA 02 0441017](https://www.pharmaffiliates.com/pimages/PA020441017.jpg) 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
 
 
 
