Used as a key intermediate in the synthesis of agrochemicals, particularly herbicides and insecticides, due to its reactive chlorine and methylthio groups that allow further functionalization. Commonly employed in the production of sulfonylurea herbicides, where it serves as a building block for constructing the pyrimidine ring system. Also utilized in pharmaceutical research for developing kinase inhibitors and other bioactive molecules. Its versatility in cross-coupling reactions makes it valuable in medicinal chemistry for creating diverse compound libraries.