AP-4-139B

AP-4-139B is a potent inhibitor of Heat Shock Protein 70 (HSP70), with an IC50 value of 180 nM. HSP70 is a protein that is overexpressed in various cancers and plays a critical role in the survival and proliferation of tumor cells. AP-4-139B demonstrates significant cytotoxicity in tumor cells, particularly in colorectal cancer cells, making it useful for cancer research.