Ulipristal acetate is a selective progesterone receptor modulatorSolubility:Chloroform, MethanolSpecific Rotation:+177.56° (c = 0.5; Chloroform)Melting Point:183-186°CMethod for Determining Identity: Proton NMR (CDCl3) and MSTLC Conditions: SiO2; Dichloromethane : Methanol (9 : 1). Visualized with UV and AMCS (single spot; Rf =0.7).Storage and Stability:Store at 4°C. For maximum recovery of product, centrifuge the original vial prior to removing the cap.