Saxagliptin Intermediates

361440-67-7 Appearance white powder Conforms Specific Rotation 26 ± 1(c=5% in CCl4) Conforms Loss on Drying < 0.30% 0.20% Residue on Ignition ≤ 0.5% 0.41% Ee% 98% 98.33% Assay ≥ 98.0% 99.0% 709031-39-0 Appearance off-white crystalline powde Conforms Water(KF) < 0.30% 0.12% Residue on Ignition < 0.5% 0.33% Other impurities < 1% Conforms Purity (HPLC) Not less than 98.0% 98.7% 361442-00-4 Appearance off-white crystalline powde Conforms Water(KF) < 0.30% 0.20% Residue on Ignition < 0.5% 0.19% Purity (PHLC) Not less than 98.0% 99.0% 700376-57-4 Molecular Weight: 126.16 Molecular Formula: C6H10N2O