Purity (HPLC) ≥98% Appearance White to off-white powder Melting Point 112-125℃(dec.) 300 MHz NMR Spectrum 1H Consistent Specific Rotation(20/D) --8±1.5 DEGREES (C=1 IN H2O) Clarity of solution 0.3 gram in 2ml DMF and 1ml H2O clear solution Mass Spectrum n accordance with the standard