Numero CAS: 139755-83-2 Formula chimica: C22H19N3O4 Molecular Weight: 389.4 Contenuto: 99.5% Sildenafil citrate, Viagra Solubility: Slightly soluble in water, methanol; very slightly soluble in ethanol, chloroform Appearance: Stoccaggio di polvere cristallina bianca: ombreggiatura, conservazione confinata. Utilizzo: Viagra (Sildenafil citrate) is a drug used to treat erectile dysfunction (impotenza) in males and pulmonary arterial hypertension (PAH).