FLI-06 is primarily used in biological research as an inhibitor of intracellular trafficking pathways. It blocks the transport of proteins from the Golgi apparatus to the plasma membrane, making it a valuable tool for studying protein secretion and membrane dynamics. Researchers use FLI-06 to investigate the mechanisms of vesicular transport and to identify components involved in cellular trafficking networks. Its inhibitory effect helps in understanding the role of specific proteins in cell surface expression, particularly in signaling receptors and adhesion molecules. Due to its specific mode of action, FLI-06 is also employed in studies related to viral entry and pathogen-host interactions where membrane trafficking plays a critical role.