Specification Test Results

• Appearance (Form):
  Powder
• Solubility (Colour):
  Faint Red to Very Dark Red to Very Dark Purple
• Solubility (Form)
  10 mg/mL , 1M NH4OH in MeOH:
  Solution
• 1H NMR Spectrum:
  Conforms to Structure
• Solvent Content (by GC):
  ≤ 4 %
• Nitrogen:
  ≥7.5 %
• Dye Content:
  ≥80 %
• Labeling Efficiency:
  ≥50 %