Specification Test Results

• Appearance:
  White to off-white Crystalline powder
• Infrared spectrum:
  Conforms
• Melting point:
  125 to 129 °C
• HPLC:
  ≥98.5 %
• UV:
  at 280 nm A: ≤0.05
• Titration with HClO4:
  99.4 to 100.6 %
• Chloride (Cl):
  ≤0.005 %
• Sulfate (SO4):
  ≤0.005 %
• Calcium (Ca):
  ≤0.001 %
• Iron (Fe):
  ≤0.0005 %
• Sodium (Na):
  ≤0.02 %
• Heavy metals (as Pb):
  ≤5 ppm