(1-Benzyl-1H-imidazol-5-yl)(2,3-dimethylphenyl)methanone is an intermediate in the synthesis of 1-Benzyl-5-(1-(2,3-dimethylphenyl)vinyl)-1H-imidazole (B251400), an impurity of Medetomidine (M203250, HCl); an α2-adrenergic agonist, sedative, and analgesic.