Exemestane trade name: Aromasin Detailed Description: Cas No. :19457-55-7 AromasinAlias: Androst-4-ene-3,17-dione-6-methylene;Exemestane Related Compound Aromasin CAS: 19457-55-7 Aromasin M.F.: C20H26O2 Aromasin CAS Registry Number: 19457-55-7 if it is in your favor, pls freely contact me as follow: skypeID: spencer.ku1 email:ycchem02@yccreate.com Cellphone:86-18038192042 WEB:http://www.forumsteroids.com