Specification Test Results

• Appearance:
  White to off-white Powder
• Infrared spectrum:
  Conforms
• Loss on drying:
  ≤8 % (105°C, 3 h)
• HPLC:
  ≥97.5 %
• Residue after ignition:
  ≤0.5 %
• Specific optical rotation:
  -92° to -106° (20°C, 589 nm) (c=4, water)