Geranyl pyrophosphate lithium salt is primarily utilized in biochemical research and enzymatic studies, particularly in the investigation of terpene biosynthesis pathways. It serves as a key intermediate in the production of various terpenes and terpenoids, which are essential compounds in the development of fragrances, flavors, and pharmaceuticals. In laboratory settings, it is often employed as a substrate for enzymes like terpene synthases to study their catalytic mechanisms and to synthesize specific terpenoid compounds. Additionally, its role in metabolic pathway analysis makes it valuable for understanding the biosynthesis of natural products in plants and microorganisms.