Δ2-cis Eicosenoic Acid is primarily used in research and development within the field of lipid chemistry. Its unique structure makes it valuable for studying lipid metabolism and the biochemical pathways involved in fatty acid synthesis and degradation. It serves as a model compound for investigating the behavior of unsaturated fatty acids in biological systems, particularly in membrane fluidity and cellular signaling processes. Additionally, it is utilized in the synthesis of specialized lipids and surfactants, which have applications in cosmetics, pharmaceuticals, and industrial formulations. Its role in understanding the biochemical properties of fatty acids contributes to advancements in nutrition science and the development of functional foods.