Description DL-Leucine, 99+%, 100g For Research & Development Not for drug, human, animal, or food use Certificate of Analysis: Appearance (Color) White Appearance (Form) Powder Assay (TLC) 99+% Elemental Analysis Carbon 55.1%, Nitrogen 10.7% Infrared Spectrum Conforms to structure Melting Point 293-296 Deg C Solubility Clear, colorless solution 50mg/ml in 1M HCl CAS: 328-39-2 FORMULA: (CH3)2CHCH2CH(NH2)CO2H