Abiraterone is a steroidal cytochrome P 450 17a-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.Alternate Name:(3b)-17-(3-Pyridinyl)androsta-5,16-dien-3-ol; CB 7598CAS Number:154229-19-3Molecular Formula:C₂₄H₃₁NOMolecular Weight349.51Appearance:Supplied as a white to off-white powder.Purity (HPLC):≥98%Storage and Stability:May be stored at 4°C. For long-term storage, aliquot and store at 4°C. Aliquots are stable for 12 months after receipt. For maximum recovery of product, centrifuge the original vial prior to removing the cap. Further dilutions can be made in assay buffer.Important Note: This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological. Toxicity and Hazards: All products should be handled by qualified personnel only, trained in laboratory procedures.