CAS nommer: 139755-83-2 Chemiese formule: C22H19N3O4 Molecular Weight: 389.4 Inhoud: 99.5% Sildenafil citrate, Viagra Solubility: Slightly soluble in water, methanol; very slightly soluble in ethanol, chloroform Appearance: Wit kristallyne poeier Berging: skadu, beperkte bewaring. Gebruik: Viagra (Sildenafil citrate) is a drug used to treat erectile dysfunction (impotensie) by mans en pulmonale arteriële hipertensie (PAH).