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Dexamethasone Base - 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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      Dexamethasone Base

      CAS number: 50-02-2

      Molecular formula: C22H29FO5

      molecular weight: 392.4611

      Chemical structure:

      Details

      Product
      DEXAMETHASONE BASE
      Shelf Life
      5 years
      ITEM
      SPECIFICATION RESULT
      CHARACTER 
      WHITE OR ALMOST WHITE CRYSTALLINE POWDER ALMOST WHITE CRYSTALLINE POWDER
      SPECIFIC ROTATION  +72° TO +80° 
      +76.2°
      IDENTIFICATION (1)COMPLIES BY IR CONFORMS
      (2)UV:△E/ERS ≤3.0% 1.8%
      TEST
      CHROMATOGRAPHIC PURITY
      PRINCIPAL IMPURITY NOT MORE THAN 1.0% 0.13%
      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%
      RESIDUAL SOLVENT
      CHLOROFORM NOT MORE THAN 60ppm NOT DETECTED
      METHANOL NOT MORE THAN 1000ppm 220ppm
      ETHYL ACETATE NOT MORE THAN 300ppm 22ppm
      ASSAY CONTAINS 97.0% TO 102.0% OF C22H29FO5 CALCULATED ON DRIED BASIS 100.1%
      CONCLUSION THE PRODUCT CONFORMS TO USP39