Cat. No. 1412
Chemical Name: trans-N-[6-Cyano-3,4-dihydro-3-hydr
Biological ActivityBlocker of the slow delayed rectifier K+ current (IKs) (IC50 = 1-10 μM). Also blocks the CFTR chloride current (ICFTR) (IC50 = 19 μM). (-)-[3R,4S]-Chromanol 293B (Cat. No. 1475) also available.
The technical data provided above is for guidance only. For batch specific data refer to the Certificate of Analysis.
All Tocris products are intended for laboratory research use only.
Certificate of Analysis / Product Datasheet / Safety Data Sheet
Bachmann et al (2001) Chromanol 293B, a blocker of the slow delayed rectifier K+ current (IKS), inhibits the CFTR Cl- current. Naunyn Schmiedebergs Arch.Pharmacol. 363 590. PMID: 11414653.
Sun et al (2001) Chromanol 293B inhibits slowly activating delayed rectifier and transient outward currents in canine left ventricular myocytes. J.Cardiovasc.Electrophysiol. 12 472. PMID: 11332571.
Fujisawa et al (2000) Time-dependent block of the slowly activating delayed rectifier K+ current by chromanol 293B in guinea-pig ventricular cells. Br.J.Pharmacol. 129 1007. PMID: 10696102.
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Citations are publications that use Tocris products. Selected citations for Chromanol 293B include:
Yu et al (2014) Apamin does not inhibit human cardiac Na+ current, L-type Ca2+ current or other major K+ currents. J Cell Mol Med 9 e96691. PMID: 24798465.
McCallum et al (2011) The contribution of Kv7 channels to pregnant mouse and human myometrial contractility. Mol Pain 15 577. PMID: 20132415.
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Keywords: Chromanol 293B, supplier, IKs, blockers, blocks, ICFTR, Potassium, KV, Channels, voltage-gated, voltage-dependent, K+, Cl-, chloride, Chromanol293B, Tocris Bioscience, Voltage-gated Potassium (KV) Channel Blocker products