Vardenafil Synonyms: Vardenafil hydrochloride; Valdenafil; Valdenafil HCl, Vardenafilo HCL CAS:224785-90-4 FM: C23H33ClN6O4S MW: 525.06 Pureza: 99.91% Standard: USP Character: Polvo cristalino blanco a casi blanco, odorless, a little acerbity, soluble en agua, ethanol Usage: A selective phsphodiesterase type 5 (PDE5) inhibidor; Pharmaceutical raw material; Indicated for the treatment of erectile dysfunction(ED).