Used primarily in organic synthesis, this compound serves as a key reagent in the preparation of choline derivatives, which are essential in biochemical research and pharmaceutical development. It is particularly valuable in the study of neurotransmission, as choline is a precursor to acetylcholine, a critical neurotransmitter. Additionally, it finds application in the synthesis of radiolabeled compounds for imaging and diagnostic purposes in medical research. Its role in modifying and studying cell membrane components also contributes to advancements in understanding cellular processes and drug delivery systems.