Specification Test Results

• Appearance (Colour):
  Yellow to Orange to Brown
• Appearance (Form):
  Powder
• Solubility (Colour):
  Yellow to Dark Yellow and Orange to Dark Orange and Yellow-Orange and Yellow-Brown and Orange-Brown and Dark Brown-Yellow
• Solubility (Turbidity)
  50 mg/ml, EtOH:
  Clear
• Infrared spectrum:
  Conforms to Structure
• Carbon:
  54.6 - 60.2 %
• Nitrogen:
  8.0 - 8.7 %
• Purity (HPLC):
  ≥95.0 %
• Recommended Retest Period:
  3 years