Description Diethyl Propylmalonate, 99%, 100g For Research & Development Not for drug, clinical use in humans, for food or food additive use Specifications: Appearance (Color) Colorless Appearance (Form) Liquid Infrared spectrum Conforms to Structure Purity (GC) 98.5+% CAS: 2163-48-6 FORMULA: CH3CH2CH2CH(COOC2H5)2