SEW2871 is primarily used in research settings to study its effects on the sphingosine-1-phosphate (S1P) receptor, specifically S1P1. It is a selective agonist that helps in understanding cellular signaling pathways and immune system modulation. Researchers utilize it to explore its potential in treating autoimmune diseases, such as multiple sclerosis, by regulating lymphocyte trafficking. Additionally, it is investigated for its role in vascular biology and inflammation, offering insights into conditions like atherosclerosis and other inflammatory disorders. Its application in preclinical studies aids in developing targeted therapies for various diseases involving S1P receptor signaling.