Molecular formula:c5h11no2 Molecular weight:117.1474 Cas:6600-40-4 acx no :x1007059-2 Roerty aearance: white fine owder Erchloride concentration assay:98.5% +101 Secific otical rotation:(+)23 (+)25 Drying loss: 0.5 D-norvaline: 0.1%max L-valine: 0.1%max L-leucine: 0.1%max L-norleucine: 0.1%max
