Abnormal 1''-Hydroxycannabidiol is a side product in the synthesis of 1''-Hydroxycannabidiol (H824815), which is a metabolite of Canabidiol (C175300), amajor constituents in marijuana.1''-Hydroxycannabidiol can be used to investigate canabidiol metabolism andhuman liver microsomes that metabolizeCanabidiol into6α-Hydroxycannabidiol.