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_Metronidazole - Antibiotics - 鹽城鳴遠藥業(yè)有限公司、鳴遠藥業(yè)、鳴遠藥業(yè)有限公司、鹽城鳴遠藥業(yè)
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      Metronidazole

      CAS number: 443-48-1

      Molecular formula: C6H9N3O3

      molecular weight: 171.154

      Chemical structure:

      Details

      Product name Metronidazole  
      Shelf Life  4  years
      ITEMS STANDARDS RESULTS
      Characteristics a white or yellowish crystalline powder, slighting sobube in water, in acetone, in alcohol and in methylene, chloride, very slightly solube in ether COMPLY
      Identification a) Melting point 159-163℃ 161.1-161.3℃
      b) Specific absorbance 365-395 b) 375
      c) IR c) COMPLY
      d) The solution gives the reaction of primary aromatic amines d) COMPLY
      Appearance of solution SUSPENSION Ⅱ COMPLY
      AND SOLUTION GY6
      Related substances Impurity:0.1MAX 0.02%
      Total impurity:0.2MAX 0.06%
      Heavy Metal 20PPM MAX <20PPM
      Loss on drying 0.5% MAX 0.19%
      Particle size 40-80mesh COMPLY
      Assay 99.0%-101.0% 99.4%
      Conclusion: comply with the standard