SPL Set ID: a73b0e6f-09fc-42d6-a678-1409ce746bd1
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)-. It is a crystalline solid that is practically insoluble in water and very slightly soluble in ethanol. Tadalafil tablets, USP are available as round shaped (2.5 mg) and oval shaped (5 mg, 10 mg, and 20 mg) tablets for oral administration. Each tadalafil tablet, USP contains 2.5 mg, 5 mg, 10 mg, or 20 mg of tadalafil, USP and the following inactive ingredients: colloidal silicon dioxide, crospovidone, hydroxypropyl cellulose, hypromellose, lactose monohydrate, magnesium stearate, microcrystalline cellulose, poloxamer, polyethylene glycol, talc, titanium dioxide, and yellow iron oxide.