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| | Dexamethasone Impurity 9 Basic information |
| Product Name: | Dexamethasone Impurity 9 | | Synonyms: | Pregna-1,4-dien-21-oic acid, 9-fluoro-11,17-dihydroxy-16-methyl-3,20-dioxo-, (11β,16α)-;21-Carboxy Dexamethasone;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;Dexamethasone glyoxal analog;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 (Dexamethasone impurity);(11β,16α)-9-Fluoro-11,17-dihydroxy-16-methyl-3,20-dioxopregna-1,4-dien-21-oic acid | | CAS: | 84449-15-0 | | MF: | C22H27FO6 | | MW: | 406.45 | | EINECS: | | | Product Categories: | | | Mol File: | 84449-15-0.mol |  |
| | Dexamethasone Impurity 9 Chemical Properties |
| 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) | | pka | 2.50±0.54(Predicted) | | form | Solid | | color | White to Off-White |
| | Dexamethasone Impurity 9 Usage And Synthesis |
| 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. |
| | Dexamethasone Impurity 9 Preparation Products And Raw materials |
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