SPL Set ID: 976620bb-c10e-4b13-8a97-7025fda6b7d5
1 drug(s) with this SPL Set ID
Pirfenidone belongs to the chemical class of pyridone. Pirfenidone is available as film-coated tablets containing 267 mg (yellow) and 801 mg (brown) pirfenidone, USP. Pirfenidone, USP has a molecular formula of C 12 H 11 NO and a molecular weight of 185.23. Pirfenidone has the following structural formula, which has been referred to as 5-Methyl-1-Phenyl-1 H -pyridin-2-one or 5-Methyl-1-phenylpyridin-2(1 H )-one. Pirfenidone is a white to pale yellow or pink color solid, 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: Colloidal silicon dioxide, croscarmellose sodium, mannitol, microcrystalline cellulose, povidone, and sodium stearyl fumarate. The film-coating material contains polyethylene glycol, polyvinyl alcohol, talc, and titanium dioxide. Additionally 267 mg tablets contain iron oxide yellow. 801 mg tablets contain black iron oxide and iron oxide red. Pirfenidone Chemical Structure