Gb3-β-ethylamine is primarily utilized in research focused on understanding cellular mechanisms and interactions, particularly in the study of glycosphingolipids and their role in cell signaling and membrane dynamics. It is often employed in biochemical assays to investigate the binding properties of glycosphingolipids with various proteins, such as bacterial toxins or antibodies, which can provide insights into pathogen-host interactions. Additionally, this compound is used in the development of synthetic analogs for therapeutic purposes, particularly in targeting diseases associated with glycosphingolipid metabolism, such as certain types of cancer or infectious diseases. Its application extends to the field of immunology, where it aids in studying immune responses and designing vaccine candidates by mimicking natural glycosphingolipid structures.