6-Chloro-2-fluoropurine is primarily used in the field of medicinal chemistry and drug development. It serves as a key intermediate in the synthesis of various purine-based compounds, which are often explored for their potential therapeutic applications. This chemical is particularly valuable in the creation of nucleoside analogs, which can be developed into antiviral or anticancer agents. Its unique structure allows for modifications that can enhance the biological activity and specificity of the resulting compounds. Researchers utilize it to study enzyme interactions and to design molecules that can inhibit specific pathways involved in disease progression. Additionally, it finds application in the development of diagnostic tools and probes for studying biochemical processes at the molecular level.