21-O-Acetyl Dexamethasone 9,11-Epoxide


21-O-Acetyl Dexamethasone 9,11-Epoxide is a Intermediate of Dexamethasone with CAS Registry No: 2884-51-7
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CAT No. CS-T-47130
Category Intermediates
Parent API Dexamethasone
CAS 2884-51-7
Mol. Weight 414.49 g/mol
Mol. Formula C24H30O6
View COA View MSDS
More info about 21-O-Acetyl Dexamethasone 9,11-Epoxide
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Synonyms (9b,11b,16a)-216-methyl-pregna-1,4-diene-3,20-dione; 9,11ß-Epoxy-17,21-dihydroxy-16a-methyl-9b-pregna-1,4-diene-3,20-dione;Desoximetasone Impurity 3 (Beta Methyl Epoxide 21-Acetate).
Storage Conditions For long term store at -20°C
Purity (%) >98%
Melting Point (℃)193-196 
Solubility Chloroform, Methanol
Appearance Off-White Solid
Application Notes Dexamethasone intermediate.
References Hayreh SS, Zimmerman B. Ophthalmology.110:1204-15 (2003). Li GF, Chen JH, Yang J et al. Di Yi Jun Yi Da Xue Xue Bao. 24:11-4 (2004). Chen Y, Chen XY. Ai Zheng. 21:498-503 (2002). Cassileth PA, Lusk EJ, Torri S et al. Arch Intern Med.143:1347-9 (1983).
Pubchem Id 11026076
Smiles CC1CC2C3CCC4=CC(=O)C=CC4(C35C(O5)CC2(C1(C(=O)COC(=O)C)O)C)C
The balance used are calibrated with weights Traceable to National Standards NIST for accuracy

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