Specification Test Results

• Appearance:
  White to off-white Crystalline powder
• Infrared spectrum:
  Conforms
• Melting point:
  126 to 131 °C
• Loss on drying:
  ≤0.5 % (500 mg, 105 °C, 2 hrs)
• HPLC:
  ≥97.5 %
• Specific optical rotation:
  +186° to +194° (20 °C, 589 nm) (c=1, ethanol) (on dried substance)