[Product name]: Betamethasone [Chemical name]: 9-fluoro -11β,17,21-trihydroxy-16β-methylpregna-l, 4-dime-3,20-dione [Product category]:corticosteroids [CAS NO.] 378-44-9 [molecular formula]: C22H29FO5 [molecular weight]: 329.5 [Packing specification]: 1KG/tin [specification]: CP/EP/USP/BP [Appearance]: white or almost white crystalline powder, odorless and tasted bitter [Melting point]:236℃~244℃ [specific rotation]: +115°~+121° [assay]: calculate content of C22H29FO5, 97.0%~103.0% [storage]: store in airtight container, protected from light
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