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.
4735-65-3 suppliers list
Company Name: ChemCell Biomedicine Co.,Ltd.  
Tel: 020-13556033878 2965585218 13556033878
Website: https://www.chemicalbook.com/ShowSupplierProductsList15061/0.htm
Company Name: ChemStrong Scientific Co.,Ltd  
Tel: 0755-0755-66853366 13670046396
Website: www.chem-strong.com
Company Name: Shanghai Send Pharmaceutical Technology Co., Ltd.  
Tel: 021-50266790 Q3382968513
Website: www.shsendpharma.com
Company Name: Hubei Moco Chemical Co., Ltd.  
Tel: 18627756402
Website: http://www.molcoo.com/
Company Name: Meng Cheng Technology (Shanghai) Co., LTD  
Tel: 400-820-6829
Website: www.mitachieve.com
Company Name: Shenzhen Excellent Biomedical Technology Co., Ltd.  
Tel: 18318671572
Website: www.ex-biotech.com/
Company Name: Jinan Sanbao Biotechnology Co., Ltd.  
Tel: 13854185395; 13854185395
Website: https://www.chemicalbook.com/supplier/25205567/
Company Name: Suzhou Haiben Pharmaceutical Co., Ltd  
Tel: 14760821013; 14760821013
Website:
Company Name: Shanghai Zerui Biotechnology Co., Ltd.  
Tel: 021-54580889 18321124657
Website: www.zr-pharmaceutical.com
Company Name: Baoji Didu Pharmaceutical and Chemical Co., Ltd  
Tel: 029-61856358 15829046862
Website:
Company Name: Shanghai Hao Zhun Biological Technology Co., Ltd.  
Tel: 15800340161
Website: www.zzsrm.com
Tags:4735-65-3 Related Product Information
2802-10-0 1203841-41-1 5534-13-4 13504-15-9 5534-09-8 330157-05-6 15423-80-0 16125-28-3 987-24-6 1879-77-2 75883-07-7 185613-69-8 25121-04-4 61558-12-1 2240-28-0 1249-19-0 66917-44-0 52619-05-3