Številka CAS: 139755-83-2 Kemijska formula: C22H19N3O4 Molecular Weight: 389.4 Vsebina: 99.5% Sildenafil citrate, Viagra Solubility: Rahlo topen v vodi, methanol; very slightly soluble in ethanol, chloroform Appearance: Bel kristalinični prah Shranjevanje: shading, omejeno ohranjanje. Uporaba: Viagra (Sildenafil citrate) is a drug used to treat erectile dysfunction (impotence) in males and pulmonary arterial hypertension (PAH).