SPL Set ID: c456f293-daf7-46b1-bffc-5ca234adbb70

Oseltamivir phosphate, USP an influenza neuraminidase inhibitor (NAI), is available as: Capsules containing 30 mg, 45 mg, or 75 mg of oseltamivir for oral use, in the form of oseltamivir phosphate In addition to the active ingredient, each capsule contains croscarmellose sodium, povidone K30, pregelatinized starch, sodium stearyl fumarate and talc. The 30 mg capsule shell contains gelatin, iron oxide red, iron oxide yellow, and titanium dioxide. The 45 mg capsule shell contains gelatin, iron oxide black, and titanium dioxide. The 75 mg capsule shell contains gelatin, iron oxide black, iron oxide red, iron oxide yellow, and titanium dioxide, each capsule is printed with black ink, which includes shellac, iron oxide black, propylene glycol and potassium hydroxide. Oseltamivir phosphate, USP is a white to off white powder with the chemical name (3R,4R,5S)-4-acetylamino-5-amino-3(1-ethylpropoxy)-1-cyclohexene-1-carboxylic acid, ethyl ester, phosphate (1:1). The chemical formula is C 16 H 31 N 2 O 8 P (free base). The molecular weight is 312.4 for oseltamivir free base and 410.40 for oseltamivir phosphate salt. The structural formula is as follows: osletamivir-structure