Specification Test Results

• Appearance:
  White to off-white Crystalline powder or crystals
• Infrared spectrum:
  Conforms
• Loss on drying:
  ≤1 % (500 mg) (vacuum)
• Sulfated ash:
  ≤0.1 %
• HPLC:
  ≥94 % (on dried substance)
• Specific optical rotation:
  +10° to +13° (20°C, 589 nm) (c=2, anhydr. pyridine) (on dried substance)