SPL Set ID: 16fca4fc-b641-4ee8-a2ee-a35189ce1f3b
1 drug(s) with this SPL Set ID
Pirfenidone belongs to the chemical class of pyridone. Pirfenidone capsules is available as white opaque hard gelatin capsules containing 267 mg of pirfenidone for oral administration. Pirfenidone 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-1phenyl-2-1(H)-pyridone or 5-methyl-1-phenyl-2-(1H)-pyridone. Pirfenidone is a white or pale yellow, crystalline powder. It is sparingly soluble in water, freely soluble in ethanol (96%), very slightly soluble in heptane. The melting point is approximately 109°C. Pirfenidone capsules contain pirfenidone and the following inactive ingredients: silicified microcrystalline cellulose, croscarmellose sodium, colloidal silicon dioxide, and magnesium stearate. In addition, the capsule shell contains gelatin, titanium dioxide and sodium lauryl sulfate. The capsule brown printing ink includes shellac glaze, n-butyl alcohol, isopropyl alcohol, ferroso ferric oxide/black iron oxide, iron oxide red, propylene glycol, iron oxide yellow and ammonium hydroxide. Chemical Structure