SPL Set ID: add6afb8-d38c-47a2-8c35-d5940667bb0c
1 drug(s) with this SPL Set ID
Tadalafil 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 a white or almost white powder that is freely soluble in dimethyl sulfoxide, slightly soluble in methylene chloride and practically insoluble in water. Tadalafil tablets, USP are available as round (2.5 mg and 5 mg) and capsule (10 mg and 20 mg) shaped tablets for oral administration. Each tablet contains 2.5 mg, 5 mg, 10 mg, or 20 mg of tadalafil USP 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. In addition, 2.5 mg contains FD&C blue #2/indigo carmine aluminum lake. tadalafilstructure