CAS 102767-28-2 appears in our catalog under these names: (S)-2-(2-Oxopyrrolidin-1-yl)butanamide, (S)-2-(2-Oxopyrrolidin-1-yl)butanamide, 98%, 98%, Levetiracetam, Levetiracetam, >95% (HPLC), Levetiracetam 1.0 mg/ml in Methanol. Offered by: Fluorochem, Chemat, Chemat Brand, TRC, Mikromol. Available pack sizes: 1g, 5g, 10g, 25g, 100g, 500g, 1kg, 1mg.