Specification Test Results

• Appearance:
  White to off-white to beige Powder
• Infrared spectrum:
  Conforms
• Melting point:
  160 to 164 °C
• HPLC:
  ≥97.5 %
• NMR (1H-NMR):
  Consistent with structure
• Calcium (Ca):
  ≤0.003 %
• Magnesium (Mg):
  ≤0.005 %
• Potassium (K):
  ≤0.01 %
• Insoluble matter:
  ≤0.005 %