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Cefdinir - 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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      Cefdinir

      CAS number: 91832-40-5

      Molecular formula: C14H13N5O5S2

      molecular weight: 395.41400

      Chemical structure:

      Details

      Product name Cefdinir
      Shelf life 2 years
      Test items Enterprise specification Test results Conclusion
      Character Slight yellow to yellow crystalline powder, with slight smelly Slight yellow crystalline powder, with slight smelly Conform
      Identification

      1. In the chromatogram of the assay, the retention time of the principal peak in the chromatogram obtained with the test solution should correspond to that of the principal peak in the chromatogram obtained with reference solution.

      2. The IR absorption spectrum of the substance to be examined should correspond to that of the reference

      spectrum(No.l 122).

      1. In the chromatogram of the assay, the retention time of the principal peak in the chromatogram obtained with the test solution corresponds to that of the principal peak in the chromatogram obtained with reference solution.

      2. The IR absorption spectrum of the substance to be examined corresponds to that of the reference spectrum(No.l 122).

      Conform
      Specific rotation -58一-66° -62° Conform
      Absorption coefficient 571一-610° 583
      Conform
      Crystallinity It gives phenomenon of birefringence and extinction direction. It gives phenomenon of birefringence and extinction direction. Conform
      pH 2.5 ?4.5 3.4 Conform
      Water No more than 2.0% 1.1% Conform
      Conclusion: The test results of substance examined conform to the Specification of Cefdinir