Used as a key intermediate in the synthesis of sulfa drugs and other pharmaceutical agents, particularly in the development of antimicrobial and anti-inflammatory compounds. Its sulfonyl fluoride group enables selective reactions with nucleophiles, making it valuable in medicinal chemistry for constructing sulfonamide linkages. Also employed in agrochemical research for designing herbicides and plant growth regulators due to its pyrimidine core, which mimics biological molecules in metabolic pathways. Additionally, it serves as a building block in combinatorial chemistry and drug discovery for generating diverse compound libraries.