Levetiracetam ;  KEPPRA API Levetiracetam; KEPPRA CAS number: 102767-28-2 Molecular formula: C8H14N2O2 Molecular weight: 170.21 EINECS number: 200-659-6 Standard: USP Natural / synthetic: synthetic, For export only Level: Medical grade Purity: 99% Appearance: white powder Packing: 25KG / cardboard drum can be split Ingredients:(S)-2-(2-oxopyrrolidin-1-yl)butanamide Role: antiepileptic drugs.