SPL Set ID: cbbd14a4-b7e6-4147-9314-bb715dfb1a51
1 drug(s) with this SPL Set ID
Pirfenidone, USP belongs to the chemical class of pyridone. Pirfenidone tablets, USP are available for oral administration as film-coated tablets containing 267 mg (yellow) and 801 mg (purple) pirfenidone, USP. Pirfenidone, USP has a molecular formula of C 12 H 11 NO and a molecular weight of 185.23. Pirfenidone, USP has the following structural formula, which has been referred to as 5-methyl-1-phenyl-2-1(H)-pyridone or 5-methyl-1-phenyl-2-(1H)-pyridone. Pirfenidone, USP is a white to pale yellow, non-hygroscopic powder. It is more soluble in methanol, ethyl alcohol, acetone and chloroform than in water and 1.0 N HCl. The melting point is approximately 109°C. Pirfenidone tablets, USP contain pirfenidone, USP and the following inactive ingredients: black iron oxide, colloidal silicon dioxide, croscarmellose sodium, iron oxide yellow, magnesium stearate, microcrystalline cellulose, polyethylene glycol, polyvinyl alcohol, povidone, talc, and titanium dioxide. In addition, the 801 mg strength contains iron oxide red. formula