BMS09: Betamethasone EP Impurity I

9-Desfluoro-8-fluoro Betamethasone ;

8-Fluoro-11β,17,21-trihydroxy-16β-methyl-8α,9β-pregna-1,4-diene-3,20-dione ;

CAS # 185613-69-8 ;

C22H29FO5 ;

MW: 392.46 ;