2-Chloropropiophenone is primarily utilized in organic synthesis as a key intermediate for the production of various pharmaceuticals and fine chemicals. It plays a crucial role in the synthesis of certain antidepressants and other therapeutic agents, where its structure serves as a building block for more complex molecules. Additionally, it is employed in the manufacturing of agrochemicals, contributing to the development of pesticides and herbicides. In research and development, it is used to study reaction mechanisms and to create novel compounds with potential industrial or medicinal applications. Its versatility in chemical reactions makes it a valuable component in the field of synthetic organic chemistry.