Specification Test Results

• Appearance:
  White to yellow Powder
• Infrared spectrum:
  Conforms
• Melting point:
  170 to 177 °C
• Water:
  ≤6 %
• HPLC:
  ≥97.5 %
• Specific optical rotation:
  -24° to -10° (20 °C, 589 nm) (c=1,H2O)