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Betamethasone - 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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      Betamethasone

      CAS number: 378-44-9

      Molecular formula: C22H29FO5

      molecular weight: 392.46100

      Chemical structure:

      Details

      Product Name BETAMETHASONE BASE
      Shelf life 3 years
      ITEM SPECIFICATION RESULT
      CHARACTER  WHITE OR ALMOST WHITE CRYSTALLINE POWDER  ALMOST WHITE CRYSTALLINE POWDER
      SPECIFIC ROTATION +118° TO +126°  +123.6°
      IDENTIFICATION (1)COMPLIES BY IR CONFORMS
      (2)COMPLIES BY TLC CONFORMS
      CHROMATOGRAPHIC PURITY PRINCIPAL IMPURITY NOT MORE THAN 1.0% 0.34%
      TOTAL IMPURITIES NOT MORE THAN 2.0% 0.43%
      LOSS ON DRYING  NOT MORE THAN 0.5% 0.09%
      RESIDUE ON IGNITION NOT MORE THAN 0.2% 0.07%
      PARTICLE SIZE (VOLUME METHOD) IT SHOULD BE 90% BELOW 20μm 7.19μm
      ASSAY CONTAINS 97.0% TO 103.0% OF C22H29FO3 CALCULATED ON DRIED BASIS 99.2%
      CONCLUSION THE PRODUCT CONFORMS TO EP8.0