Abnormal 4''-Hydroxycannabidiol is a by-product in the synthesis of 4''-Hydroxycannabidiol (H824830), which is a metabolite of Canabidiol (C175300), amajor constituents in marijuana.4''-Hydroxycannabidiol be used to investigate canabidiol metabolism andhuman liver microsomes that metabolizeCanabidiol into6α-Hydroxycannabidiol.