SPL Set ID: ad765459-e0d2-418e-8bae-8f6d16dfc1d8

Oseltamivir phosphate, 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, pregelatinized starch, sodium stearyl fumarate and talc. The 30 mg capsule shell contains gelatin, 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 yellow and titanium dioxide. Each capsule is printed with blue ink, which includes shellac, propylene glycol and FD & C Blue # 2 Aluminum Lake as the colorant. Oseltamivir phosphate is a white crystalline solid 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 C16H28N2O4 (free base). The molecular weight is 312.4 for oseltamivir free base and 410.4 for oseltamivir phosphate salt. The structural formula is as follows: Image 1