6-Thioguanosine is primarily used in biochemical research and medical applications. It serves as an analog of guanosine, playing a significant role in studying nucleic acid metabolism and function. In medical research, it is utilized to investigate its incorporation into RNA and DNA, which helps in understanding cellular processes and the effects of nucleotide analogs on genetic material. Additionally, 6-Thioguanosine has been explored for its potential therapeutic applications, particularly in cancer treatment. It is metabolized into active compounds that can interfere with DNA synthesis in rapidly dividing cancer cells, thereby inhibiting their growth. This makes it a valuable component in the development of chemotherapeutic agents. Furthermore, its role in immunomodulation is being studied, as it may influence immune responses in certain autoimmune diseases. Overall, 6-Thioguanosine is a versatile compound with significant implications in both research and clinical settings.