SPL Set ID: 90e01877-abcb-4697-a7ed-9afe5ee77050

Levetiracetam USP is an antiepileptic drug available as 250 mg (blue), 500 mg (yellow), 750 mg (orange), and 1000 mg (white) tablets for oral administration. The chemical name of levetiracetam, a single enantiomer, is (-)-(S)-α-ethyl-2-oxo-1-pyrrolidine acetamide, its molecular formula is C 8 H 14 N 2 O 2 and its molecular weight is 170.21. Levetiracetam is chemically unrelated to existing antiepileptic drugs (AEDs). It has the following structural formula: Levetiracetam USP is a white to off-white crystalline powder with a faint odor and a bitter taste. It is very soluble in water (104.0 g/100 mL). It is freely soluble in chloroform (65.3 g/100 mL) and in methanol (53.6 g/100 mL), soluble in ethanol (16.5 g/100 mL), sparingly soluble in acetonitrile (5.7 g/100 mL) and practically insoluble in n-hexane. (Solubility limits are expressed as g/100 mL solvent). Levetiracetam tablets USP contain the labeled amount of levetiracetam. For 250 mg, 500 mg and 750 mg strengths: Inactive ingredients: colloidal silicon dioxide, corn starch, crospovidone, hypromellose, magnesium stearate, microcrystalline cellulose, polyethylene glycol, polyvinyl alcohol, povidone, talc, titanium dioxide, and additional agents listed below: 250 mg tablets: FD&C Blue No. 2/indigo carmine Aluminum Lake 500 mg tablets: Yellow Iron Oxide 750 mg tablets: FD&C Blue No. 2/indigo carmine Aluminum Lake, FD&C Yellow No. 6/sunset yellow FCF Aluminum Lake, iron oxide red For 1000 mg strength: Inactive ingredients: colloidal silicon dioxide, corn starch, croscarmellose sodium, magnesium stearate, microcrystalline cellulose, polyethylene glycol, polyvinyl alcohol, povidone, talc and titanium dioxide.