Stearoyl coenzyme A lithium salt is primarily used in biochemical research to study lipid metabolism and enzyme activity. It serves as a substrate for enzymes like acyl-CoA synthetases and desaturases, helping researchers understand the mechanisms of fatty acid biosynthesis and modification. This compound is also utilized in metabolic pathway studies to investigate how cells process and utilize fatty acids for energy production. Additionally, it plays a role in exploring the regulation of lipid-related enzymes and their impact on cellular functions, making it valuable in fields such as nutrition, metabolic disorders, and lipid biochemistry.