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Chloramphenicol Levo - 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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      Chloramphenicol Levo

      CAS number: 56-75-7

      Molecular formula: C11H12Cl2N2O5

      molecular weight: 323.1294

      Chemical structure:

      Details

      Product name
      Chloramphenicol
      Shelf Life
      1 year
      Items Standard Result
      Characters A white, greyish-white or yellowish-white,fine,crystalline powder or fine
      A yellowish-white,fine crystalline powder
      Slightly soluble in water,freely soluble in alcohol and in propylene glycol. Its alcohol solution is dextrorotatory and its ethyl acetate solution is levorotatory Qualified
      Identification Melting point: 149°C?153°C 149 C-152°C
      1R Qualified
      TLC
      Colar reaction
      Gives reaction of chlorides
      Acidity or alkalinity Meets the requirements Qualified
      Specific optical rotation + 18.5° ?+20_5o + 19.8°
      Related Substances
      Individual impurity<0. 5% Qualified
      Chlorides < 0. 01% Qualified
      Loss on drying < 0. 5% 0.10%
      Sulphated ash < 0. 1% 0.04%
      Assay 98.0% ?102.0% 99.7%
      Microbial limit Bacteria Not more than 10 per g Qualified
      Mold & yeast Absent per g
      Escherichia coli Absent per g
      Pseudomonas aeruginosa staphylococcus aureus Absent per g
      Sterility Complies Qualified
      CONCLUSION: The product complies to the standard of BP2011.