The chemical PCI-24781 has a designated molecular formula of C21H23N3O5 and a molecular weight of 397.431 g/mol. Synonyms may include: Abexinostat, CRA 024781, PCI 24781, CRA-024781, UNII-IYO470654U, Abexinostat (ChemID). PCI-24781 has been assigned a MeSH pharmacological action of: Histone Deacetylase Inhibitor.