This chemical is primarily used in biochemical research to study the mechanisms of cell death, specifically apoptosis. It acts as an inhibitor of caspase-8, a key enzyme involved in the apoptotic signaling pathway. By blocking caspase-8 activity, researchers can investigate the role of this enzyme in programmed cell death and its impact on various cellular processes. It is particularly useful in understanding the regulation of apoptosis in cancer cells, immune responses, and developmental biology. Additionally, it helps in exploring potential therapeutic strategies for diseases where apoptosis is dysregulated, such as neurodegenerative disorders and autoimmune conditions.