Methyl 3-oxohexanoate (Methyl Butyrylacetate) is an organic compound commonly used in the manufacture of fragrances, drugs, and other chemicals. It can be used as a condensation reagent, a diazotization reagent and an addition reagent, and it plays a catalytic role in some organic synthesis reactions, and can also play a role in some drug synthesis. In addition, the compound is widely used in the food industry, for example in products such as juices, beer and confectionery.