SPL Set ID: 78d2644d-b62c-48f5-8407-2adf09bcb144
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 N-(3,5-dichloropyridine-4-yl)-3-cyclopropylmethoxy-4-difluoromethoxy-benzamide or. Its molecular 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 granular powder with a melting point of 160°C. It is practically insoluble in water and hexane; sparingly soluble in ethanol and methanol; and soluble in N,N-Dimethyl formamide. Roflumilast 250 mcg are supplied as white to off-white, round tablets, debossed with "4" on one side, "C" on the other side. Roflumilast 500 mcg tablets are supplied as white to off-white, round tablets, debossed with "0.5" on one side, "R" on the other side. Each tablet contains 250 mcg or 500 mcg of roflumilast. Each roflumilast tablet for oral administration contains the following inactive ingredients: lactose monohydrate, corn starch, hydroxypropyl cellulose and magnesium stearate. Structure