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          Betamethasone Valerate

          CAS number: 2152-44-5

          Molecular formula: C27H37FO6

          molecular weight: 476.57700

          Chemical structure:


          Product name Betamethasone Valerate
          Valerate Shelf life 3 years
          Item Specification Result
          Appearance White to practically white powder White powde
          Identification (by IR) Conforms to the CRS spectrum. Conforms
          Specific rotation +75°-+82° (dried substance) +76.3°
          Loss on drying <0.5% 0.2%
          Residue on ignition <0.2% 0.1%
          Related substances (by HPLC) Any impurity<L0% 0.29%
          Assay (by HPLC) Total impurities<2.0% 0.62%
          Conclusion: Meet the specification according to USP36