A metabolite of Estradiol.Melting Point:264-266°CSolubility:DMSO, Methanol (sparingly)Method for Determining Identity: Proton NMR (CD3OD) and MSTLC Conditions: SiO2; Dichloromethane : Methanol (9 : 1). Visualized with UV and AMCS (Rf =0.50)Storage and Stability:Store at -20°C. For maximum recovery of product, centrifuge the original vial prior to removing the cap.