Dexamethasone 9,11-epoxide

Name	Dexamethasone 9,11-epoxide
Synonyms	(9b,11b,16a)-9,11-epoxy-17,21-dihydroxy-16-methyl-pregna-1,4-diene-3,20-dione; Desoximetasone Impurity D (Dexamethasone EP Impurity D, Mometasone Furoate EP Impurity L); Dexamethasone EP Impurity D (Mometasone Furoate EP Impurity L, Desoximetasone Impurity D); Mometasone Furoate Impurity 12（Mometasone Furoate EP Impurity L; 5-(2,3-dichlorophenyl)azo-4,6-dimethyl-2-pyrimidinamine; (4aS,4bS,5aS,6aS,7R,8R,9aS,9bS); Desoximetasone Impurity D; Dexamethasone EP Impurity D 16-ALPHA METHYL EPOXIDE 8DM 9,11B-EPOXY-17,21-DIHYDROXY-16A-METHYL-9B-PREGNA-1,4-DIENE-3,20-DIONE 9,11BETA-EPOXY-17,21-DIHYDROXY-16ALPHA-METHYL-9BETA-PREGNA-1,4-DIENE-3,20-DIONE (9b,11b,16a)-9,11-epoxy-17,21-dihydroxy-16-methyl-pregna-1,4-diene-3,20-dione 9BETA,11BETA-EPOXY-17,21-DIHYDROXY-16ALPHA-METHYLPREGNA-1,4-DIENE-3,20-DIONE 9beta,11beta-epoxy-17,21-dihydroxy-16beta-methylpregna-1,4-diene-3,20-dione 16 α-Methyl epoxide(8-DM) 16 beta-methyl epoxy 21-acetate 16 beta-methyl epoxy 16 Beta-Methyl Epoxide 21-Acetate 8-DM , 9BETA,11BETA-EPOXY-17,21-DIHYDROXY-16ALPHA-METHYLPREGNA-1,4-DIENE-3,20-DIONE 8-Dm24916-90-3, 16-Methylepoxide (9b,11b,16a)-9,11-Epoxy-17,21- 16beta-Methyl 16-A METHYL EOPOXIDE 17-Hydroxy-9,11-epoxy-16-methylpregna-1,4-diene-3,20-dione 9,11-Epoxy-16-methylpregna-1,4-diene-17,21-diol-3,20-dione 9,11B-EPOXY-17,21-DIHYDROXY-16A-METHYL-9B-PREGNA-1,4-DIENE-3,20-DIONE,98%
CAS NO	24916-90-3
EINECS	246-529-2
Molecular Weight	372.46
Molecular Formula	C22H28O5
Product Categories	Pharmaceutical Raw Materials; Intermediates & Fine Chemicals; Pharmaceuticals;Steroids
Mol File	24916-90-3.mol

Dexamethasone 9,11-epoxide Chemical Properties
Melting point	210-220°C
Boiling point	564.9±50.0 °C(Predicted)
density	1.32
Fp	198°C
storage temp.	Refrigerator
pka	12.56±0.70(Predicted)
CAS DataBase Reference	24916-90-3(CAS DataBase Reference)

Dexamethasone 9,11-epoxide Usage And Synthesis
Chemical Properties	Pale-Yellow Solid
Uses	A metabolite of Mometasone furoate
Uses	Dexamethasone intermediate.
Definition	Pyrethrolone ester of chrysanthemumdicarboxylic acid. One of the four primary active insecticidal ingredients of pyrethrum flowers.