[Product name]: dexamethasone
[Chemical name]: 9-fluoro-11β，17,21-trihydroxy-l6α-methylpregna-l,4-dime-3,20-dione,
[Product category]： corticosteroids
[Packing specification]: 1KG/tin
[specification]: CP/EP/USP/BP
[Approval No.]: Guo yao Zhun Zi H20033553

Quality specification
CP2005

[Appearance]: white or almost white crystalline powder, odorless
[Identification]: it should be positive
[Melting point]: 254℃~264℃, decomposition while melting
[specific rotation]: +72°～+82°
[absorptive index]: 380～410
[related substance]: max impurity≤1.0%， total impurities≤2.0%
[loss on drying]: ≤0.5%
[residue on ignition]: ≤0.2%
[assay]: calculated on the dried basis， C₂₂H₂₉FO₅ should be 97.0%～102.0%
[storage]: store in a airtight container，protected from light，
[chemical formulation]: