Appearance White crystalline powder Conforms Specific Rotation [20/D] (c = 2 in H2O ) +15.0 ± 2.0° +15.6º Melting Point (¡æ) 160¡æ to 170 ¡æ 162¡æ Loss on Drying Not more than 0.50% 0.30\% Assay Not less than 98.0% 98.8% Conclusion The product meets the standard.