Used primarily as a chemical intermediate in organic synthesis, cis-4-octene serves in the production of fine chemicals, fragrances, and specialty polymers. Its structure allows for selective reactions, such as metathesis or hydrogenation, making it valuable in research and development of new compounds. It is also employed in the preparation of flavoring agents due to its mild hydrocarbon odor and reactivity profile. In industrial settings, it may act as a model compound for studying alkene behavior in catalytic processes.