MST-312 is primarily utilized in research settings to study the mechanisms of cellular aging and telomere dynamics. It is known to act as a potent telomerase inhibitor, making it a valuable tool in understanding the role of telomeres in cancer biology and cellular senescence. Researchers use MST-312 to investigate its effects on telomere shortening and its potential to induce apoptosis in cancer cells, particularly in studies focused on developing targeted cancer therapies. Additionally, it is employed in experiments exploring the relationship between telomere maintenance and the aging process, providing insights into the molecular pathways that govern cellular lifespan. Its application extends to preclinical studies where it is tested for its efficacy in inhibiting tumor growth and its potential as a therapeutic agent in oncology.