Abiraterone Ethyl Ether is an impurity of Abiraterone (A108490), a steroidal cytochrome P 450 17α-hydroxylase-17,20-lyase inhibitor (CYP17), is currently undergoing phase II clinical trials as a potential drug for the treatment of androgen-dependent prostate cancer. Molecular Formula: C26H35NO Solubility: Chloroform (Slightly), Ethyl Acetate (Slightly) Molecular Weight: 377.56