Product name: D-Norvaline; D-(-)-2-Aminovaleric acid; D-Nva Molecular formula:C5H11NO2 CAS:2013-12-9 Identfication: white powder Titre perchlorate: 98.5%-101% Specific Rotation: (-)23°?(-)25° Loss on drying: ≤0.5% L-Norvaline: ≤0.1% D-valine: ≤0.1% D-Lcucine: ≤0.1% D-Narlcucine: ≤0.1%