ChemicalBook >> CAS DataBase List >>9-Bromo-11,17,21-trihydroxy-16-methylpregna-1,4-diene-3,20-dione-21-acetate

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

CAS No.
4735-65-3
Chemical Name:
9-Bromo-11,17,21-trihydroxy-16-methylpregna-1,4-diene-3,20-dione-21-acetate
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)
CBNumber:
CB71451532
Molecular Formula:
C24H31BrO6
Molecular Weight:
495.41
MDL Number:
MOL File:
4735-65-3.mol

9-Bromo-11,17,21-trihydroxy-16-methylpregna-1,4-diene-3,20-dione-21-acetate 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)
pka 12.12±0.70(Predicted)

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

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.

9-Bromo-11,17,21-trihydroxy-16-methylpregna-1,4-diene-3,20-dione-21-acetate Preparation Products And Raw materials

Raw materials

Preparation Products

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

Global( 10)Suppliers
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ChemCell Biomedicine Co.,Ltd. 020-13556033878 2965585218 13556033878 chemcell@hotmail.com China 369 52
ChemStrong Scientific Co.,Ltd 0755-0755-66853366 13670046396 sales@chem-strong.com China 18042 56
Shanghai Send Pharmaceutical Technology Co., Ltd. 021-58088081 Q3252066219 danping@shsendpharm.com China 3130 55
Meng Cheng Technology (Shanghai) Co., LTD 400-820-6829 sales@mitachieve.com China 8860 58
LangFangshi Zekang Pharma Tech CO.,Itd. 0316-2883536 19333636468 93618484@qq.com China 1427 58
Shenzhen Excellent Biomedical Technology Co., Ltd. 18318671572 2850803126@qq.com China 4986 58
Shanghai Zerui Biotechnology Co., Ltd. 021-54580889 18321124657 731997554@qq.com China 10608 58
Baoji Didu Pharmaceutical and Chemical Co., Ltd 02961856358 15829046862 1035@dideu.com China 10010 58
Hubei Moco Chemical Co., Ltd. 18627753421 18576690171 3001009495@qq.com China 11202 58
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 4735-65-3