Used primarily in organic synthesis, it serves as a key intermediate for introducing the 4-pentenoyl group into various compounds. It is commonly employed in the production of pharmaceuticals, agrochemicals, and specialty chemicals. Its reactivity with nucleophiles makes it valuable for creating esters, amides, and other derivatives. Additionally, it is utilized in polymer chemistry for modifying or cross-linking polymers. Its applications also extend to research and development, where it aids in the study of chemical reactions and the synthesis of complex molecules.