Sematilide (CK-1752) is a specific IKr channel blocker. Sematilide causes a concentration-dependent inhibition of the delayed rectifier K+ current (IC50=25 μM). Sematilide is a class III antiarrhythmic agent. References: [1]. Ishii Y, et al. Effects of Sematilide, a novel class III antiarrhythmic agent, on membrane currents in rabbit atrial myocytes. Eur J Pharmacol. 1997 Jul 23;331(2-3):295-302. [2]. Stanley S. Greenberg, et al. Pharmacology of Sematilide, a non-quaternary class III antiarrhythmic agent.

纯度：≥98%

CAS：101526-83-4