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 Datasheet
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.
If you know of a relevant reference for this product please let us know.
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.
Do you know of a great paper that uses Chromanol 293B from Tocris? If so please let us know.
View Related Products by Target
View Related Products by Product Action
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
Find multiple products by catalog number
New Products in this Area
Follow @Tocris on Twitter
Tocris is now actively tweeting. For regular updates on news, events and special offers, follow @Tocris on Twitter.