Lidocaine Hydrochloride Lidocaine or lignocaine is a common local anesthetic and antiarrhythmic drug. Lidocaine is used topically to relieve itching, burning and pain from skin inflammations, injected as a dental anesthetic or as a local anesthetic for minor surgery. CAS number : 137-58-6, 73-78-9 (hydrochloride) Formula : C14H22N2O |