Product Description: 1-Methylhistamine-d3 (dihydrochloride) is the deuterium labeled 1-Methylhistamine (dihydrochloride)[1]. 1-Methylhistamine dihydrochloride is a histamine metabolite[2].
References: [1]Russak EM, et al. Impact of Deuterium Substitution on the Pharmacokinetics of Pharmaceuticals. Ann Pharmacother. 2019 Feb;53(2):211-216./[2]Saito K, et al. Determination of urinary excretion of histamine and 1-methylhistamine by liquid chromatography. J Chromatogr B Biomed Appl. 1994 Apr 1;654(2):270-5.