Specification Test Results

• Appearance:
  White to Light yellow powder to crystal
• Purity (Nonaqueous Titration):
  min. 98.0 %
• Melting point:
  218.0 to 222.0 deg-C
• Human serum albmin (HSA) binding activity:
  S/N ratio min. 4
• Competitive avtivity in competitive drug:
  Remaining fluorescein inensity max. 70 %