1-Allylhydantoin is primarily used in the synthesis of various organic compounds, particularly in the pharmaceutical industry. It serves as a key intermediate in the production of certain drugs and therapeutic agents. Additionally, it is utilized in the development of specialty chemicals, including those used in the formulation of adhesives, coatings, and resins. Its reactive allyl group makes it valuable in polymerization processes, contributing to the creation of advanced materials with specific mechanical and chemical properties. In research, it is often employed in studies related to organic synthesis and material science, aiding in the exploration of novel chemical pathways and product development.