21-O-Acetyl Dexamethasone 9,11-Epoxide

Stock Status	For Exact delivery date, please contact sales@clearsynth.com
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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- API Standards of Dexamethasone
- Stable Isotopes of Dexamethasone
- Metabolites of Dexamethasone
- Impurities of Dexamethasone
- Glucuronides of Dexamethasone
- Intermediates of Dexamethasone

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