Used primarily in pharmaceutical research and development, 5-Fluoropyrimidin-4-amine serves as a key intermediate in the synthesis of various anticancer and antiviral drugs. Its structure is crucial for creating compounds that inhibit the growth of cancer cells or viral replication. Additionally, it is utilized in the study of enzyme mechanisms and as a building block in organic chemistry for designing novel therapeutic agents. Its applications extend to the development of diagnostic tools and targeted therapies in medicine.