Specification Test Results

• Synonyms:
  E- mycin; Erycin; Robimysin; Erythrocin
• Form:
  White Powder
• Storage:
  Store at Room Temperature (15 - 30 °C)
• Extinction Coefficient:
  EM = 50 (280 nm, pH 6,3)
• Moisture Content:
  10%
• Optical Rotation:
  -71° to -78° (c=2, ethanol)
• pH:
  8,0 - 10,5 (70% aq soln)
• pka:
  8,8
• Potency:
  ≥850 μg/mg