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          Metronidazole Benzoate

          CAS number: 13182-89-3

          Molecular formula:

          molecular weight:

          Chemical structure:


          Name of product: Metronidazole Benzoate
          Expiry Date: 4 years
          Characteristics a white or yellowish crystalline powder COMPLY
          Solubility slighting sobube in water, in acetone, in alcohol and in methylene, chloride, very slightly solube in ether COMPLY
          Identification a) Melting point 159-163℃ a) 160.6-160.7℃
          b) Specific absorbance 365-395 b) 377
          c) Infrared c) COMPLY
          d) The solution gives the reaction of primary aromatic amines d) COMPLY
          Microorganism Test Aerobic Microorganisms( not more than 30 cfu/g), Molds and Yeasts (not more than 10 cfu/g) Pathogens: Absence COMPLY
          Appearance of solution SUSPENSION Ⅱ COMPLY
          AND SOLUTION GY6
          Related substances Impurity:0.1MAX 0.02%
          Total impurity:0.2MAX 0.06%
          Disregard Limited:0.01% MAX PASS
          Heavy Metal 20PPM MAX <20PPM
          Loss on drying 0.5% MAX 0.16%
          Particle size 40-80mesh COMPLY
          Assay 99.0%-101.0% 99.5%
          Conclusion: comply with the standard