SPL Set ID: dc0a6a03-5ef1-4507-b888-5b559653c3e9
1 drug(s) with this SPL Set ID
Tadalafil, an oral treatment for pulmonary arterial hypertension, is a selective inhibitor of cyclic guanosine monophosphate (cGMP)–specific phosphodiesterase type 5 (PDE5). Tadalafil has the molecular formula C 22 H 19 N 3 O 4 representing a molecular weight of 389.41. The structural formula is The chemical designation is pyrazino[1´,2´:1,6]pyrido[3,4– b ]indole-1,4-dione,6-(1,3 benzodioxol-5-yl))-2,3,6,7,12,12a-hexahydro-2-methyl-(6R-12aR)-. Tadalafil USP is white or almost white powder that is freely soluble in dimethyl sulfoxide, slightly soluble in methylene chloride, practically insoluble in water. Tadalafil tablets, USP are available as white color, capsule shaped, film-coated tablets for oral administration. Each tablet contains 20 mg of tadalafil and the following inactive ingredients: colloidal silicon dioxide, copovidone, croscarmellose sodium, hypromellose, lactose monohydrate, magnesium stearate, microcrystalline cellulose, polyoxyl 40 hydrogenated castor oil, talc, titanium dioxide, and triacetin. tasalafilstructure