SPL Set ID: 913f1b95-9c46-40d5-a6e9-cff2e5e07eaa
1 drug(s) with this SPL Set ID
The active ingredient in roflumilast tablets is roflumilast. Roflumilast and its active metabolite (roflumilast N-oxide) are selective phosphodiesterase 4 (PDE4) inhibitors. The chemical name of roflumilast is 3-(Cyclopropylmethoxy)-N-(3,5-dichloro-4-pyridinyl)-4-(difluoromethoxy) benzamide. Its empirical formula is C 17 H 14 Cl 2 F 2 N 2 O 3 and the molecular weight is 403.21. The chemical structure is: The drug substance is a light brown to white color powder with a melting point of 154 to 160°C. It is soluble in acetone and slightly soluble in ethanol. Roflumilast tablets are supplied as white to off white, round, flat bevel edged tablets, debossed with 'H' on one side and 'T' (for 250 mcg), and 'I' (for 500 mcg) on the other side. Each tablet contains 250 mcg or 500 mcg of roflumilast. Each tablet of roflumilast for oral administration contains the following inactive ingredients: colloidal silicon dioxide, magnesium stearate, mannitol, and microcrystalline cellulose. Structural Formula