Chlorocycloheptane is primarily used as an intermediate in organic synthesis. It serves as a building block for the production of various pharmaceuticals, agrochemicals, and specialty chemicals. Its structure allows for further functionalization, making it valuable in the development of complex molecules. In pharmaceutical research, it can be utilized to create compounds with potential therapeutic effects. Additionally, it finds application in the synthesis of polymers and materials science, where its reactivity can be tailored to modify material properties. In laboratories, it is often employed in studies involving ring expansion reactions and as a reagent in organic transformations.