CAS No.17916-75-5 Chemical Name:EST-5-EN-17 -ONE, 3-hidroxi-, (3b)- SinonymsST-5-en-17-one, 3-hidroxi-, (3b)-;(3S,8R,9S,10R,13S,14S)-3-Hidroxi-13-metil-1,2,3,4,7,8,9,10,11,12,13,14,15,16-tetradechahydro-17H-ciclopenta[uma]phenanthren-17-one CBNumber:CB43060652 Molecular Formula:C18H26O2 Formula Weight:274.4