Used as a key intermediate in the synthesis of biologically active compounds, particularly in pharmaceuticals targeting antiviral and anticancer agents. Its structure allows for selective modifications, making it valuable in drug development for nucleoside analogs. Commonly employed in research settings to build pyrimidine-based scaffolds that interact with enzymes involved in DNA replication. Also utilized in the preparation of kinase inhibitors and other targeted therapies. Its iodine moiety facilitates cross-coupling reactions, enabling efficient construction of complex molecules in medicinal chemistry.