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987-24-6 Betamethasone 21-acetate Betamethasone 21-acetate CAS NO 987-24-6
Betamethasone 21-acetate CAS NO 987-24-6
Betamethasone 21-acetate Basic information |
Product Name: | Betamethasone 21-acetate |
Synonyms: | 1,4-PREGNADIEN-9-ALPHA-FLUORO-16-BETA-METHYL-11-BETA, 17,21-TRIOL-3,20-DIONE 21-ACETATE;BETAMETHASONE 21-ACETATE;BETAMETHASONE ACETATE;9-fluoro-11beta,17,21-trihydroxy-16beta-methylpregna-1,4-diene-3,20-dione 21-acetate;Betamethasone acetate BP/USP/EP;BETAMETHASONE ACETATE EPB(CRM STANDARD);BETAMETHASONE ACETATE MM(CRM STANDARD);BETAMETHASONE ACETATE USP(CRM STANDARD) |
CAS: | 987-24-6 |
MF: | C24H31FO6 |
MW: | 434.5 |
EINECS: | 213-578-6 |
Product Categories: | Biochemistry;Hydroxyketosteroids;Steroids;Intracellular receptor;Intermediates & Fine Chemicals;Pharmaceuticals |
Mol File: | 987-24-6.mol |
|
Betamethasone 21-acetate Chemical Properties |
Melting point | 200-220°C (dec.) |
alpha | D +140° (chloroform) |
density | 1.0932 (rough estimate) |
refractive index | 1.5980 (estimate) |
storage temp. | Refrigerator |
solubility | Practically insoluble in water, freely soluble in acetone, soluble in ethanol (96 per cent) and in methylene chloride. It shows polymorphism (5.9). |
form | neat |
Merck | 14,1180 |
CAS DataBase Reference | 987-24-6(CAS DataBase Reference) |
EPA Substance Registry System | Pregna-1,4-diene- 3,20-dione, 21-(acetyloxy)-9-fluoro-11, 17-dihydroxy-16-methyl-, (11.beta.,16.beta.)-(987-24-6) |
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