Numar CAS: 139755-83-2 Formula chimica: C22H19N3O4 Molecular Weight: 389.4 Content: 99.5% Sildenafil citrate, Viagra Solubility: Puțin solubil în apă, methanol; very slightly soluble in ethanol, chloroform Appearance: Pulbere cristalină albă Depozitare: shading, conservare restrânsă. Utilizare: Viagra (Sildenafil citrate) is a drug used to treat erectile dysfunction (impotence) in males and pulmonary arterial hypertension (PAH).