vardenafil and its Impurities
Vardenafil is used to treat erectile dysfunction in men. It is an oral therapy for the treatment of erectile dysfunction. It is sold under the trade names Levitra, Staxyn, and Vivanza.Reference standards of Vardenafil API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.
4-Ethoxy-3-(5-methyl-4-oxo-7-propyl-3,4-dihydro-imidazo[5,1-f][1,2,4]-triazin-2-yl)benzene-sulfonyl Chloride
4-Ethoxy-3-(5-methyl-4-oxo-7-propyl-3,4-dihydro-imidazo[5,1-f][1,2,4]-triazin-2-yl)benzene-sulfonyl Chloride
Catalogue No.:PA 22 14530
CAS :
224789-26-8
Molecular Formula : C17H19ClN4O4S
Molecular Weight : 410.88
(Z)-N'-(5-Chloro-4-methyl-2-propyl-1H-imidazol-1-yl)-2-ethoxy-5-((4-ethylpiperazin-1-yl)sulfonyl)benzimidamide
(Z)-N'-(5-Chloro-4-methyl-2-propyl-1H-imidazol-1-yl)-2-ethoxy-5-((4-ethylpiperazin-1-yl)sulfonyl)benzimidamide
Catalogue No.:PA 22 14600
CAS :
NA
Molecular Formula : C22H33ClN6O3S
Molecular Weight : 497.05
Ethyl 2-(2-ethoxyphenyl)-5-methyl-4-oxo-3,4-dihydroimidazo[5,1-f][1,2,4]triazine-7-carboxylate
Ethyl 2-(2-ethoxyphenyl)-5-methyl-4-oxo-3,4-dihydroimidazo[5,1-f][1,2,4]triazine-7-carboxylate
Catalogue No.:PA 22 14660
CAS :
1417529-67-9
Molecular Formula : C17H18N4O4
Molecular Weight : 342.36
Methyl 2-(2-ethoxyphenyl)-5-methyl-4-oxo-3,4-dihydroimidazo[5,1-f][1,2,4]triazine-7-carboxylate
Methyl 2-(2-ethoxyphenyl)-5-methyl-4-oxo-3,4-dihydroimidazo[5,1-f][1,2,4]triazine-7-carboxylate
Catalogue No.:PA 22 0141001
CAS :
NA
Molecular Formula : C16H16N4O4
Molecular Weight : 328.33
Piperazine, 1-[[3-(1,4-dihydro-5-methyl-4-oxo-7-propylimidazo[5,1-f][1,2,4]triazin-2-yl)-4-ethoxyphenyl]sulfonyl]-4-methyl- (9CI)2-[2-Ethoxy-5-[(4-methyl-1-piperazinyl)sulfonyl]phenyl]-5-methyl-7-propylimidazo[5,1-f][1,2,4]triazin-4(1H)-one
Piperazine, 1-[[3-(1,4-dihydro-5-methyl-4-oxo-7-propylimidazo[5,1-f][1,2,4]triazin-2-yl)-4-ethoxyphenyl]sulfonyl]-4-methyl- (9CI)2-[2-Ethoxy-5-[(4-methyl-1-piperazinyl)sulfonyl]phenyl]-5-methyl-7-propylimidazo[5,1-f][1,2,4]triazin-4(1H)-one
Catalogue No.:PA 22 0141004
CAS :
224785-87-9
Molecular Formula : C22H30N6O4S
Molecular Weight : 474.58
2-(2-Ethoxy-5-((4-ethylpiperazin-1-yl)sulfonyl)phenyl)-5-methyl-1-nitroso-7-propylimidazo[5,1-f][1,2,4]triazin-4(1H)-one
2-(2-Ethoxy-5-((4-ethylpiperazin-1-yl)sulfonyl)phenyl)-5-methyl-1-nitroso-7-propylimidazo[5,1-f][1,2,4]triazin-4(1H)-one
Catalogue No.:PA 22 0141007
CAS :
NA
Molecular Formula : C23H31N7O5S
Molecular Weight : 517.61
Ethyl 2-[2-ethoxy-5-[(4-ethyl-1-piperazinyl)sulfonyl]phenyl]-1,4-dihydro-5-methyl-4-oxoimidazo[5,1-f][1,2,4]triazine-7-carboxylate
Ethyl 2-[2-ethoxy-5-[(4-ethyl-1-piperazinyl)sulfonyl]phenyl]-1,4-dihydro-5-methyl-4-oxoimidazo[5,1-f][1,2,4]triazine-7-carboxylate
Catalogue No.:PA 22 0141009
CAS :
1417529-69-1
Molecular Formula : C23H30N6O6S
Molecular Weight : 518.59
2-(2-Ethoxy-5-((4-nitrosopiperazin-1-yl)sulfonyl)phenyl)-5-methyl-7-propylimidazo[5,1-f][1,2,4]triazin-4(1H)-one
2-(2-Ethoxy-5-((4-nitrosopiperazin-1-yl)sulfonyl)phenyl)-5-methyl-7-propylimidazo[5,1-f][1,2,4]triazin-4(1H)-one
Catalogue No.:PA 22 0141012
CAS :
NA
Molecular Formula : C21H27N7O5S
Molecular Weight : 489.55
