A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Exemestane EP Impurity E Product Features CAS 19457-55-7 IUPAC 6-Methyleneandrost-4-ene-3,17-dione Molecular Formula C20H26O2 Molecular Weight 298.42 Synonyms Exemestane USP Related Compound A ; 1,2-Dihydro Exemestane << View Catalog