Raptinal is primarily used in research settings as a tool compound to study apoptosis, particularly in the context of cancer biology. It functions as a potent inducer of programmed cell death by activating intrinsic apoptotic pathways, making it valuable for investigating mechanisms of cell survival and death. Researchers utilize Raptinal to probe mitochondrial dysfunction and cytochrome c release, which are key events in apoptosis. Its ability to rapidly trigger cell death in a controlled manner allows for precise timing in experimental models, aiding in the evaluation of potential anticancer therapies. Due to its fast-acting nature, Raptinal is also employed in high-throughput screening assays to identify compounds that modulate apoptotic signaling.