Chst15-IN-1 is primarily used in research settings to study the role of carbohydrate sulfotransferase 15 (CHST15) in various biological processes. It is a selective inhibitor of CHST15, an enzyme involved in the sulfation of chondroitin sulfate, which plays a critical role in extracellular matrix remodeling and inflammation. By inhibiting CHST15, this compound helps researchers investigate its impact on conditions such as fibrosis, cancer progression, and inflammatory diseases. It has shown potential in preclinical studies for reducing fibrosis in tissues like the liver and lungs, making it a valuable tool for understanding and developing therapies for fibrotic disorders. Additionally, it aids in exploring the role of chondroitin sulfate sulfation in tumor microenvironment modulation and immune response regulation.