Lidocaine (CAS 137-58-6)

Lidocaine (CAS 137-58-6) is a widely used local anesthetic and antiarrhythmic drug that works by blocking sodium channels, preventing nerve signal transmission and stabilizing cell membranes, used for pain relief (topical, injections) and treating heart rhythm issues (ventricular tachycardia). It’s an amide anesthetic, rapidly absorbed, metabolized in the liver, and exists as a solid or solution, available in various forms like creams, injections, and oral rinses, with a short half-life.