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(R)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-(naphthalen-2-yl)propanoic acid
(2R)-2-(9H-fluoren-9-ylmethoxycarbonylamino)-3-naphthalen-2-ylpropanoic acid
Molecular Formula: C28H23NO4
Molecular Weight: 437.48700
Appearance and properties: off-white crystalline powder
Density: 1.296 g/cm3
Boiling point: 690.7ºC at 760 mmHg
Melting point: 191 °C
Flash point: 371.6ºC
Refractive index: 1.671
Storage conditions: 2-8ºC

Items of Analysis Standard of Analysis Test Results
Appearance White to off-white powder Conform
Purity (HPLC) ≥98.0% 99.66%
TLC ≥98% >98%
Optical Purity ≤0.5% L-enantiomer 0.0284%
Optical Rotation +15o±3o (C=1 in DMF) +16.7o
Element analysis(C、H、N) ≤5% <5%
Clarity of solution 0.3 gram in 2ml DMF clear solution Conform
Water ≤2.0%  0.22%
Loss on drying ≤2.0%  0.34%
Conclusion Conforms to Factory Standard


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