Used in research settings as a selective small-molecule inhibitor targeting the STAT3 signaling pathway, which plays a key role in cancer cell proliferation and survival. Shows potential in suppressing tumor growth in various cancer models, particularly in studies involving solid tumors and hematological malignancies. Also utilized as a tool compound to investigate JAK-STAT pathway dynamics and to develop more effective anticancer therapies. Demonstrates good cellular permeability and stability in vitro, making it suitable for cell-based assays and preclinical evaluation.