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Erythromycin - Antibiotics - 鹽城鳴遠藥業有限公司、鳴遠藥業、鳴遠藥業有限公司、鹽城鳴遠藥業
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      Erythromycin

      CAS number: 114-07-8

      Molecular formula: C37H67NO13

      molecular weight: 733.9268

      Chemical structure:

      Details

      Product
      Erythromycin Base
      Shelf Life
      3 years
      Test Items Specification Results
      Characteristics White,crystalline powder White,crystalline powder
      Identification To comply Complies
      TESTS
      Specific optical rotation -71°78° -74°
      Related substances
      To comply Complies
      Any impurity <3.0% 2.7%
      Total impurity <7.0% 5.9%
      Thiocyanate <0.3% Complies
      Water <6.5%w/w 4.3%w/w
      Sulphated ash <0.2%w/w Complies
      ASSAY (anhydrous substance) 93.0%~102.0% 98.2%
      Erythromycin B <5.0% 2.8%
      Ervthromvcin C <5.0% 3.3%
      Conclusion: Product complies with EP6.0.