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Cefprozil - 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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      Cefprozil

      CAS number: 92665-29-7

      Molecular formula: C18H19N3O5S

      molecular weight: 389.4256

      Chemical structure:

      Details

      Product Name CEFPROZILUSP36
      Shelf Life

      2 years


      TEST SPECIFICATIONS RESULT
      Description A white to almost white powder or crystalline powder Almost white crystalline powder
      Identification

      - By IR The Infrared absorption spectrum of the potassium bromide dispersion of the sample must be concordant with that of a similar preparation of  cefprozil(Z)-isomer working standard/reference standard. Complies
      - By HPLC The retention times of the cefprozil(Z)-isomer and cefprozil(E)-isomer peaks in the chromatogram of the Assay preparation correspond to those of the Standard preparations, as obtained in the Assay. Complies
      Crystallinity Should be crystalline crystalline
      PH   3.5  6.5 4.38
      Water  3.5%  6.5% 4.87%

      Related compounds

      Cefadroxil

      -Individual

      -Total impurities


       0.5%

       0.5%

      ≤ 1.5%


      0.16%

      ND

      ND
      Cefprozil (E)-isomer ratio 0.060.11 0.074

      Assay (By HPLC,w/w)

      (Contains C18H19N3O5S, Calculated on the anhydrous basis) 
      900ug/mg1050ug/mg 992.7ug/mg
      REMARKS: The material complies as per above specifications.