Isoliquiritigenin (Standard) is the analytical standard of Isoliquiritigenin. This product is intended for research and analytical applications. Isoliquiritigenin is an anti-tumor flavonoid from the root of Glycyrrhiza uralensis Fisch., which inhibits aldose reductase with an IC50 of 320 nM. Isoliquiritigenin is a potent inhibitor of influenza virus replication with an EC50 of 24.7 µM.