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ChemicalBook--->CAS DataBase List--->4735-65-3

4735-65-3

4735-65-3 Structure

4735-65-3 Structure
IdentificationBack Directory
[Name]

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

4735-65-3
[Synonyms]

Betamethasone Impurity 20
21-Acetoxy-9α-Bromo-11β,17α-dihydroxy-16β-methyl-pregna-1.4-dien-3.20-dion
9-Bromo-11,17,21-trihydroxy-16-methylpregna-1,4-diene-3,20-dione-21-acetate
9-Bromo-11β,17,21-trihydroxy-16β-methyl-pregna-1,4-diene-3,20-dione 21-Acetate
Pregna-1,4-diene-3,20-dione, 21-(acetyloxy)-9-bromo-11,17-dihydroxy-16-methyl-, (11β,16β)- (9CI)
[Molecular Formula]

C24H31BrO6
[MOL File]

4735-65-3.mol
[Molecular Weight]

495.41
Chemical PropertiesBack Directory
[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)
[pka]

12.12±0.70(Predicted)
Raw materials And Preparation ProductsBack Directory
Hazard InformationBack Directory
[Uses]

9-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.
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