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21-Dehydro Dexamethasone Hydrate

21-Dehydro Dexamethasone Hydrate

Cat no: 007767

Supplier: United States Biological
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21-Dehydro Dexamethasone is an impurity of Dexamethasone , a glucocorticoid anti-inflammatory agent. Melting Point: 169-174 degrees C Solubility: DMSO, Methanol Elemental Analysis: Expected: 64.69% C; 7.16% H Method for Determining Identity: Proton NMR (DMSO-d6), 19-F NMR and MS TLC Conditions: SiO2; Dichloromethane: Methanol (9:1); Visualized with UV and AMCS; Single spot (Rf= 0.55). Storage and Stability: May be stored at RT for short-term only. Long-term storage is recommended at 4 degrees C (dessicated). For maximum recovery of product, centrifuge the original vial prior to removing the cap.
Catalogue number: 007767
Size: 250mg
Form: Supplied as a pale yellow solid
Purity: ~90%
Alternative names: (11b,16a)-9-Fluoro-11,17-dihydroxy-16-methyl-3,20-dioxopregna-1,4-dien-21-al; 9-Fluoro-11b,17-dihydroxy-16a-methyl-3,20-dioxopregna-1,4-dien-21-al
References: Mason, H., et al.: J. Biol. Chem., 124, 475 (1938); Juenge, E., et al.: J. Pharm. Sci., 68, 551 (1979); Suzuki, T., et al.: Biol. Pharm. Bull., 22, 816 (1999);

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