Methyl heptanoate-d5 (Methyl enanthate-d5) is the deuterium labeled Methyl heptanoate (HY-141610). Methyl heptanoate, commonly used as a flavoring and fragrance ingredient in the food and cosmetic industries, Methyl heptanoate is also used as a solvent for various substances, including resins, oils and waxes, in addition, it has been studied for its potential as a biofuel and polymer production application.