CAS-Nummer: 139755-83-2 Chemische Formel: C22H19N3O4 Molecular Weight: 389.4 Content: 99.5% Sildenafil citrate, Viagra Solubility: Leicht löslich in Wasser, methanol; very slightly soluble in ethanol, chloroform Appearance: Weißes kristallines Pulver. Lagerung: Schattierung, eingeschränkte Erhaltung. Verwendungszweck: Viagra (Sildenafil citrate) is a drug used to treat erectile dysfunction (impotence) in males and pulmonary arterial hypertension (PAH).