SC75741 is primarily used in research settings as an inhibitor of the NF-κB signaling pathway, which plays a key role in inflammation, immune responses, and cell survival. It is applied in studies related to inflammatory diseases, viral infections, and cancer due to its ability to suppress NF-κB activation. In virology, SC75741 has shown potential in inhibiting the replication of certain RNA viruses by blocking virus-induced NF-κB activity, thereby reducing viral propagation. Its application in cellular and molecular biology helps elucidate the mechanisms of inflammatory signaling and supports the development of therapeutic strategies targeting chronic inflammation and viral pathogenesis.