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Molecular Formula: C25H28N2O6
Molecular weight:452.50000

Density: 1.2±0.1 g/cm3
Boiling point: 689.7±55.0 °C at 760 mmHg
Flash point: 370.9±31.5 °C
Vapor pressure: 0.0±2.3 mmHg at 25°C
Refractive index: 1.579

Items of Analysis Standard of Analysis Test Results
Appearance White to off-white powder White powder
Purity (HPLC) ≥95% 98.6%
Optical Purity ≤0.5% D-enantiome ND
Clarity of solution 0.3 gram in 2ml DMF clear solution Conform
Melting Point 120.0-125.0℃ 120.6-122.5℃
Loss on drying ≤1.0% (60oC,2h) 0.2%
Water Content (K. F.) ≤1.0% 0.6%
Specific Rotation -9.0±1.0°(c=2,DMF) -8.4°
Conclusion Conforms to Factory Standard


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