Appearance:Fine white powder Identification: A. IR B. HPLC Specific rotation, at 20oC, calculated on the anhydrous, solvent-free basis :+32 +36Water :0.2% max Limit of Acetone :1.0% max Organic impurities Impurity A : 0.2% max Impurity B : 0.1% max Impurity C: 0.1% max Impurity D: 0.3% max Impurity E : 0.3% max Any other impurities : 0.1% max Total: 1.0% max