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