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Catalogue Number:D229285
Chemical Name:21-Dehydro Betamethasone (mixture of the aldehyde and the hydrated form)
Synonyms:(11β,16β)-9-Fluoro-11,17-dihydroxy-16-methyl-3,20-dioxopregna-1,4-dien-21-al;
CAS Number:61558-12-1
Molecular Formula:C₂₂H₂₇FO₅
Appearance:Pale Yellow Solid
Melting Point:>148°C (dec.)
Molecular Weight:390.45
Storage:-20°C, Hygroscopic
Solubility:DMSO (Slightly), Methanol (Slightly)
Category:Standards; Steroids; Pharmaceutical/API Drug Impurities/Metabolites;
Applications:21-Dehydro Betamethasone is an impurity of Betamethasone (B327000), a corticosteroid used as an anti-inflammatory agent.
References:Chen, B., et al.: Steroids, 74, 30 (2009); Li, M., et al.: J. Pharm. Sci., 98, 894
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