Betamethasone Acetate Betamethasone 21-acetate CAS:987-24-6 Pharmaceutical Raw Materials
Product Name:Betamethasone 21-acetate
Synonyms:9alpha-Fluoro-11beta,17,21-trihydroxy-16beta-methylpregna-1,4-diene-3,20-dione 21-acetate;(11β,16β)-21-(Acetyloxy)-9-fluoro-11,17-dihydroxy-16-Methylpregna-1,4-diene-3,20-dione;BETAMETHASONE ACETATE LINIMENTS;(17R)-16β-Methyl-21-acetoxy-11β,17α-dihydroxy-9α-fluoropregna-1,4-diene-3,20-dione;21-Acetyloxy-9-fluoro-11β,17-dihydroxy-16β-methylpregna-1,4-diene-3,20-dione;Betamethasone Acetate (500 mg);Betamethasone 21-ace;9ALPHA-FLUORO-16BETA-METHYL-11BETA,17ALPHA,21-TRIHYDROXY-1,4-PREGNADIENE-3,20-DIONE 21-ACETATE
CAS:987-24-6
MF:C24H31FO6
MW:434.5
EINECS:213-578-6
Melting point:200-220°C (dec.)
alpha:D +140° (chloroform)
Boiling point:579.4±50.0 °C(Predicted)
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).