IPI-9119 is a potent, selective, and irreversible inhibitor of fatty acid synthase (FASN), which can inhibit the FASN thioesterase domain by promoting acylation of the catalytic serine with an IC50 of 0.3 nM.
[1] Zadra G, et al. Proc Natl Acad Sci U S A. 2019 Jan 8;116(2):631-640.
















