Product name: l-tert-leucine Molecular formula: c6h13no2 Molecular weight: 131.17 Cas no: 20859-02-3specifications: Appearance: white to pale white powder Loss on drying: 0.5% Residue on ignition: 0.5% Specific rotation: -8 Assay(by hplc): 98% 102% Chiral purity: 99.5% Single impurity(hplc): 0.5% Total impurity(hplc): 1.0% Heavy metal 10ppm. 25kgs in fiber drum