N-[3-[(2E)-3-(Dimethylamino)-1-oxo-2-propen-1-yl]phenyl]-N-ethyl-formamide is a reactant used in the preparation of impurities and degradation products of Zaleplon (Z145000).Solubility:Chloroform, Dichloromethane, Dimethylformamide, Dimethylsulfoxide