Vardenafil Synonyms: Vardenafil hydrochloride; Valdenafil; Valdenafil HCl, Vardenafil HCL CAS:224785-90-4 MF: C23H33ClN6O4S MW: 525.06 Reinheit: 99.91% Standard: USP Character: Weißes bis fast weißes kristallines Pulver, odorless, a little acerbity, in Wasser löslich, ethanol Usage: A selective phsphodiesterase type 5 (PDE5) Inhibitor; Pharmaceutical raw material; Indicated for the treatment of erectile dysfunction(Ed).