Product Name	MF	CAS	Details

Vardenafil USP Related Compound E (N-Desethyl Vardenafil);2-(2-ethoxy-5-(piperazin-1-ylsulfonyl)phenyl)-5-methyl-7-propylimidazo[5,1-f][1,2,4]triazin-4(3H)-one

C21H28N6O4S

448184-46-1

Details

Vardenafil Impurity B;4-ethoxy-3-(5-methyl-4-oxo-7-propyl-3,4-dihydroimidazo[5,1-f][1,2,4]triazin-2-yl)benzenesulfonic acid

C17H20N4O5S

437717-43-6

Details

Vardenafil EP Impurity C (Vardenafil Dimer);2,2'-((piperazine-1,4-disulfonyl)bis(6-ethoxy-3,1-phenylene))bis(5-methyl-7-propylimidazo[5,1-f][1,2,4]triazin-4(3H)-one)

C38H46N10O8S2

1255919-03-9

Details

Vardenafil hydrochloride

C23H33ClN6O4S

224785-91-5

Details

Vardenafil EP Impurity A;2-(2-Ethoxy-5-((4-ethylpiperazin-1-yl)sulfonyl)phenyl)-5,7-dimethylimidazo[5,1-f][1,2,4]triazin-4(3H)-one

C21H28N6O4S

2169247-39-4

Details

Vardenafil USP Related Compound D (Vardenafil N-Oxide);4-((4-ethoxy-3-(5-methyl-4-oxo-7-propyl-3,4-dihydroimidazo[5,1-f][1,2,4]triazin-2-yl)phenyl)sulfonyl)-1-ethylpiperazine 1-oxide

C23H32N6O5S

448184-48-3

Details