Product Name: Betamethasone 21-acetate Synonyms: 9ALPHA-FLUORO-16BETA-METHYL-11BETA,17ALPHA,21-TRIHYDROXY-1,4-PREGNADIENE-3,20-DIONE 21-ACETATE;9a-fluoro-16b-methyl-11b,17a,21-trihydroxy-1,4-pregnadiene-3,20-dione 21-acetate;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) CAS: 987-24-6 MF: C24H31FO6 MW: 434.5 EINECS: 213-578-6 Mol File: 987-24-6.mol