4-Chloro-α-cyanocinnamic acid (Cl-CCA), a phenylpropanoid derivative of cinnamic acid synthesized from phenylalanine by plants, exhibits a propensity for co-crystallization with a range of biomolecules, including peptides and nucleic acids.
4-Chlorocinnamic acid is a photosensitive compound. 2-Chlorocinnamic acid and 4-chlorocinnamic acid show potent urease inhibitory activities with the respective IC50 values of 0.66 and 1.10 uM.