1,3-Diazaspiro[4.5]decane-2,4-dione is primarily used in the field of organic synthesis and pharmaceutical research. It serves as a key intermediate in the development of various biologically active compounds, including potential drugs targeting neurological disorders and other therapeutic areas. Its unique spirocyclic structure makes it valuable for creating complex molecules with specific pharmacological properties. Additionally, it is employed in the synthesis of agrochemicals, contributing to the development of new pesticides and herbicides. The compound’s versatility also extends to materials science, where it is explored for designing advanced polymers and coatings with tailored properties.