Cyclohept-4-enecarboxylic acid is primarily used in organic synthesis as a building block for the preparation of more complex molecules. Its unique structure, featuring a seven-membered ring with a double bond, makes it valuable in the development of pharmaceuticals, particularly in the synthesis of compounds with potential biological activity. It is also employed in the creation of specialty chemicals, such as fragrances and flavors, where its cyclic and unsaturated nature contributes to unique aromatic properties. Additionally, this compound serves as an intermediate in the production of polymers and materials science applications, where its reactivity can be harnessed to modify or enhance material properties.