1,5-Dimethylpyrimidin-2(1H)-one is primarily used in the field of organic synthesis and pharmaceutical research. It serves as a key intermediate in the production of various biologically active compounds. Its structure is particularly valuable in the development of drugs targeting neurological disorders, as it can be incorporated into molecules that interact with specific receptors in the brain. Additionally, it is utilized in the synthesis of agrochemicals, where it contributes to the creation of pesticides and herbicides. Its versatility also extends to material science, where it is employed in the design of advanced polymers and coatings with specific functional properties.