A metabolite of Tamoxifen, that can be biotransformed to a quinone methide, which has the potential to alkylate DNA and may contribute to the genotoxic effects of tamoxifen. This compound slightly increases intracellular free calcium [Ca2+]i in human platelets and partially inhibits thrombin-induced [Ca2+]i elevation.Solubility:Dichloromethane, Methanol