Nordoxepin D3 hydrochloride (Desmethyldoxepin D3 hydrochloride) is the deuterium labeled Nordoxepin hydrochloride. Nordoxepin hydrochloride is an active metabolite of Doxepin hydrochloride , which is an orally active tricyclic antidepressant[1].
[1]. Nirav P Patel, et al. Highly sensitive LC-MS/MS method to estimate doxepin and its metabolite nordoxepin in human plasma for a bioequivalence study. J Pharm Anal. 2018 Dec;8(6):378-385.
















