Methyl 4-Oxohexanoate is primarily used as an intermediate in organic synthesis, particularly in the production of pharmaceuticals and fine chemicals. Its structure makes it valuable for constructing complex molecules, especially in the synthesis of active pharmaceutical ingredients (APIs). It is also employed in the preparation of fragrances and flavoring agents due to its ability to contribute to the desired olfactory and taste profiles. Additionally, it serves as a building block in the development of agrochemicals, aiding in the creation of compounds with specific biological activities. Its versatility in chemical reactions makes it a useful component in research and industrial applications.