Used as a key intermediate in the synthesis of agrochemicals and pharmaceuticals, particularly in the development of herbicides and plant growth regulators. Its structure allows for easy functionalization, making it valuable in building complex pyrimidine-based molecules. It is also employed in research settings for the preparation of kinase inhibitors and other biologically active compounds. Commonly utilized in medicinal chemistry for structure-activity relationship (SAR) studies due to the reactivity of the ester and chloro groups.