Specification Test Results

• Appearance:
  White to light yellow Crystalline powder or crystals
• Infrared spectrum:
  Conforms
• Water:
  ≤2 % (K.F.)
• HPLC:
  ≥99.0 %
• Ratio of Absorbances:
  0.47 to 0.53 (A250/A260)
• Microbial contamination:
  ≤100 CFU/g (Total count)
• Bacterial endotoxins:
  ≤0.1 EU/mg (LAL-test)
• Related substances:
  ≤0.5 % (HPLC) 5-Bromouracil
• Specific optical rotation:
  +20° to +24° (20°C, 589 nm) (c=1, H2O)
• Heavy metals (as Pb):
  ≤10 ppm
• Residual solvents:
  ≤0.2 % (GC) Ethanol