4,9 Diene Ketal

Chemical Name:Estra-5(10), 9(11)-diene-3, 17-dione 3, 3-ethyleneketal
Molecular Formula: C20H26O3
Molecular Weight: 314.42
CAS: 5571-36-8


Application in pharmaceutical industry

It is used in the synthesis of Mifepristone, Dienogest & is an antiprogestational antiglucocorticoid antagonist steroidal spirooxazole.