Used as an intermediate in the synthesis of agrochemicals and pharmaceuticals, particularly in the production of herbicides and fungicides. Its reactive carbonyl chloride group enables easy attachment to other molecules, making it valuable in creating active ingredients that target plant pathogens and pests. Commonly employed in the development of sulfonylurea-type herbicides due to its ability to form stable linkages with heterocyclic amines. Also utilized in medicinal chemistry for constructing pyrimidine-based compounds with potential biological activity.