Methyl(4-methylnaphthalen-1-ylmethyl)amine-d3 is the isotope analog of Methyl(4-methylnaphthalen-1-ylmethyl)amine. Methyl(4-methylnaphthalen-1-ylmethyl)amine is a reagent in the preparation of heterocyclic compounds as enoyl-acyl carrier protein reductase FabI inhibitors and antibacterial agents.