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

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

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

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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

Progesterone Ethylene glycol Methyl bromide

Preparation Products

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

Global( 11)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
ChemCell Biomedicine Co.,Ltd.	020-13556033878 2965585218 13556033878	chemcell@hotmail.com	China	369	52
ChemStrong Scientific Co.,Ltd	0755-66853366 13670046396	sales@chem-strong.com	China	17982	56
Shanghai Send Pharmaceutical Technology Co., Ltd.	021-50266790 Q3382968513	Hailey@shsendpharm.com	China	3168	55
Hubei Moco Chemical Co., Ltd.	18627756402	3001051413@qq.com	China	10009	58
Meng Cheng Technology (Shanghai) Co., LTD	400-820-6829	sales@mitachieve.com	China	8864	58
Shenzhen Excellent Biomedical Technology Co., Ltd.	18318671572	2850803126@qq.com	China	4993	58
Jinan Sanbao Biotechnology Co., Ltd.	13854185395; 13854185395	sanbaobiotech@126.com	China	8261	58
Suzhou Haiben Pharmaceutical Co., Ltd	14760821013; 14760821013	1816280386@qq.com	China	9036	58
Shanghai Zerui Biotechnology Co., Ltd.	021-54580889 18321124657	731997554@qq.com	China	10614	58
Baoji Didu Pharmaceutical and Chemical Co., Ltd	029-61856358 15829046862	1035@dideu.com	China	10011	58

Supplier	Advantage
ChemCell Biomedicine Co.,Ltd.	52
ChemStrong Scientific Co.,Ltd	56
Shanghai Send Pharmaceutical Technology Co., Ltd.	55
Hubei Moco Chemical Co., Ltd.	58
Meng Cheng Technology (Shanghai) Co., LTD	58
Shenzhen Excellent Biomedical Technology Co., Ltd.	58
Jinan Sanbao Biotechnology Co., Ltd.	58
Suzhou Haiben Pharmaceutical Co., Ltd	58
Shanghai Zerui Biotechnology Co., Ltd.	58
Baoji Didu Pharmaceutical and Chemical Co., Ltd	58

4735-65-3(9-Bromo-11,17,21-trihydroxy-16-methylpregna-1,4-diene-3,20-dione-21-acetate)Related Search:

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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

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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