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ChemCell Biomedicine Co.,Ltd.
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020-13556033878 2965585218 13556033878 |
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chemcell@hotmail.com |
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CAS:4735-65-3
Purity:98% Package:5mg；10mg；20mg；50mg；100mg；250mg；500mg；1g；5g；10g；25g；100g
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ChemStrong Scientific Co.,Ltd
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Product Name:Betamethasone Impurity 39
CAS:4735-65-3
Purity:95% HPLC Package:10mg;25mg;50mg;100mg
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Shanghai Send Pharmaceutical Technology Co., Ltd.
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021-50266790 Q3382968513 |
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Product Name:9-Bromo-11,17,21-trihydroxy-16-methylpregna-1,4-diene-3,20-dione-21-acetate
CAS:4735-65-3
Purity:0.98 Package:1g;2g;5g
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Hubei Moco Chemical Co., Ltd.
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18627756402 |
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Product Name:Betamethasone Impurity 20
CAS:4735-65-3
Remarks:C24H31BrO6
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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 | | 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 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) | | pka | 12.12±0.70(Predicted) |
| | 9-Bromo-11,17,21-trihydroxy-16-methylpregna-1,4-diene-3,20-dione-21-acetate Usage And Synthesis |
| 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 |
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