CAS No.17916-75-5 Chemical Name:EST-5-EN-17 -ONE, 3-hidroksi-, (3b)- Sinonimastr-5-en-17-One, 3-hidroksi-, (3b)-;(3S,8R,9S,10R,13S,14S)-3-Hydroxy-13-metil-1,2,3,7,7,9,10,11,12,13,14,15,16-tetradekahidro-17h-ciklopenta[a]phenanthren-17-one CBNumber:CB43060652 Molecular Formula:C18H26O2 Formula Weight:274.4