9-Bromo-11,17,21-trihydroxy-16-methylpregna-1,4-diene-3,20-dione-21-acetate

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9-Bromo-11,17,21-trihydroxy-16-methylpregna-1,4-diene-3,20-dione-21-acetate Basic information
Product Name:9-Bromo-11,17,21-trihydroxy-16-methylpregna-1,4-diene-3,20-dione-21-acetate
Synonyms:9-Bromo-11,17,21-trihydroxy-16-methylpregna-1,4-diene-3,20-dione-21-acetate;Betamethasone Impurity 20;21-Acetoxy-9α-Bromo-11β,17α-dihydroxy-16β-methyl-pregna-1.4-dien-3.20-dion;Pregna-1,4-diene-3,20-dione, 21-(acetyloxy)-9-bromo-11,17-dihydroxy-16-methyl-, (11β,16β)- (9CI);9-Bromo-11β,17,21-trihydroxy-16β-methyl-pregna-1,4-diene-3,20-dione 21-Acetate;Betamethasone Acetate Impurity 10;2-((8S,9R,10S,11S,13S,14S,16S,17R)-9-Bromo-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-oxoethyl acetate (Betamethasone impurity)
CAS:4735-65-3
MF:C24H31BrO6
MW:495.41
EINECS:
Product Categories:
Mol File:4735-65-3.mol
9-Bromo-11,17,21-trihydroxy-16-methylpregna-1,4-diene-3,20-dione-21-acetate Structure
9-Bromo-11,17,21-trihydroxy-16-methylpregna-1,4-diene-3,20-dione-21-acetate Chemical Properties
Melting point 140-142 °C (decomp)(Solv: acetone (67-64-1); ethyl ether (60-29-7))
Boiling point 619.1±55.0 °C(Predicted)
density 1.44±0.1 g/cm3(Predicted)
pka12.12±0.70(Predicted)
Safety Information
MSDS Information
9-Bromo-11,17,21-trihydroxy-16-methylpregna-1,4-diene-3,20-dione-21-acetate Usage And Synthesis
Uses9-Bromo-11β,17,21-trihydroxy-16β-methyl-pregna-1,4-diene-3,20-dione 21-Acetate is an intermediate used in the preparation of 9α-bromo-11β-hydroxy-substituted steroids and 6-hydroxycorticosteroids.
9-Bromo-11,17,21-trihydroxy-16-methylpregna-1,4-diene-3,20-dione-21-acetate Preparation Products And Raw materials
Tag:9-Bromo-11,17,21-trihydroxy-16-methylpregna-1,4-diene-3,20-dione-21-acetate(4735-65-3) Related Product Information
Betamethasone Valerate EP Impurity I Betamethasone Impurity 16 9-fluoro-11beta,17,21-trihydroxy-16beta-methylpregna-1,4-diene-3,20-dione 17-propionate 17,21-dihydroxy-16beta-methylpregna-1,4,9(11)-triene-3,20-dione Beclomethasone dipropionate Betamethasone Acetate EP Impurity C 9-Fluoro-11β,17,21-trihydroxy-16β-Methylpregna-1,4-diene-3,20-dione 21-Methanesulfonate 17-Propionate Betamethasone Valerate EP Impurity F Betamethasone 21-acetate doxibetasol Betamethasone EP Impurity I Betamethasone Impurity 38 21-Dehydro BetaMethasone BETAMETHASONE VALERATE RELATED COMPOUND A (50 MG) (BETAMETHASONE 21-VALERATE) (AS) Betamethasone Impurity 7 BetaMethasone 9,11-Epoxide 17,21-Dipropionate Betamethasone EP Impurity D Betamethasone 21-propionate