SPL Set ID: 7cb11d48-6bb9-437b-bc7f-382050a2d3e6
1 drug(s) with this SPL Set ID
The active ingredient in roflumilast tablets is roflumilast, USP. Roflumilast and its active metabolite (roflumilast N-oxide) are selective phosphodiesterase 4 (PDE4) inhibitors. The chemical name of roflumilast is N-(3,5-dichloropyridin-4-yl)-3-cyclopropylmethoxy-4-difluoromethoxy-benzamide. Its empirical formula is C 17 H 14 Cl 2 F 2 N 2 O 3 and the molecular weight is 403.22. The chemical structure is: The drug substance is a white to off-white non-hygroscopic powder with a melting point of 160°C. It is freely soluble in acetone, sparingly to slightly soluble in ethanol and practically insoluble in n-Hexane and in water. Roflumilast, USP is supplied as white to off-white, round tablets, flat faced beveled edge, debossed with “T” and “250” or “500” on one side and plain on the other side. Each tablet contains 250 mcg or 500 mcg of roflumilast, USP. Each tablet of roflumilast for oral administration contains the following inactive ingredients: corn starch, hypromellose, lactose monohydrate, magnesium stearate and poloxamer. Chemical Structure