Specification Test Results

• Appearance:
  White to almost white Crystalline powder
• Infrared spectrum:
  Conforms
• Loss on drying:
  ≤1 % (60°C, 2 h) (vacuum)
• HPLC:
  ≥98.0 %
• Residue after ignition:
  ≤0.1 %
• Specific optical rotation:
  -12° to -14° (20°C, 589 nm) (c=10, CHCl3)
• Heavy metals (as Pb):
  ≤20 ppm