2-Chlorophenylboronic acid is a monohalogenated phenylboronic acid, which is an important pharmaceutical intermediate and is widely used in the synthesis of new drugs.2-Chlorophenylboronic acid has an inhibitory effect on fatty acid amidase with a Ki value of 0.01-1 µM, and is used in the study of depression, glaucoma, neuropathic pain, anxiety, migraine, I diabetes and gastritis. , migraine, type I diabetes and gastritis.