Used primarily in biochemical research, this compound serves as a modified nucleoside in the study of DNA synthesis and repair mechanisms. It is particularly valuable in understanding the role of methylation in genetic expression and epigenetic regulation. Additionally, it is employed in the development of antiviral and anticancer drugs, where its incorporation into nucleic acids can inhibit the replication of certain viruses and cancer cells. Researchers also utilize it in molecular biology techniques, such as PCR and sequencing, to investigate genetic mutations and modifications.