Used as a key intermediate in the synthesis of sulfonylurea herbicides, particularly in the production of certain rice field herbicides. Its reactivity allows for the introduction of sulfinyl and chloro groups into heterocyclic systems, enabling the construction of complex agrochemical molecules. It is also employed in the development of pharmaceuticals where pyrimidine derivatives are needed, especially in compounds targeting enzyme inhibition. The compound's ability to act as a building block in organic synthesis makes it valuable in both agricultural and medicinal chemistry research.