Used as a key intermediate in the synthesis of agrochemicals and pharmaceuticals, particularly in the production of sulfa drugs and other antimicrobial agents. It serves as a building block in the development of pyrimidine-based compounds that exhibit biological activity, including antifungal and antiviral properties. Its amino and chloro functional groups allow for selective substitutions, making it valuable in medicinal chemistry for designing active ingredients in crop protection agents and human or veterinary medicines.