84449-15-0

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84449-15-0 Structure

Identification	Back Directory
[Name] Dexamethasone Impurity 9
[CAS] 84449-15-0
[Synonyms] 21-Carboxy Dexamethasone Dexamethasone glyoxal analog Pregna-1,4-dien-21-oic acid, 9-fluoro-11,17-dihydroxy-16-methyl-3,20-dioxo-, (11β,16α)- 2-((8S,9R,10S,11S,13S,14S,16R,17R)-9-fluoro-11,17-dihydroxy-10,13,16-trimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl)-2-oxoacetic acid
[Molecular Formula] C22H27FO6
[MOL File] 84449-15-0.mol
[Molecular Weight] 406.45

Chemical Properties	Back Directory
[Melting point ] 181 - 200°C
[Boiling point ] 574.1±50.0 °C(Predicted)
[density ] 1.38±0.1 g/cm3(Predicted)
[storage temp. ] -20°C, Inert atmosphere
[solubility ] DMSO (Slightly), Methanol (Slightly)
[form ] Solid
[pka] 2.50±0.54(Predicted)
[color ] White to Off-White

Hazard Information	Back Directory
[Uses] 21-Carboxy Dexamethasone is a useful research chemical. Used in Baeyer-Villiger type oxidation of dexamethasone in aqueous suspension to a transient mixed anhydride followed by intramolecular formyl transfer to give the 17a-formyloxy-17b-carboxylic acid.

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