Cat. No. 2660

L-364,373 C25H20FN3O [103342-82-1]

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Alternative Name: R-L3

Chemical Name: 5-(2-Fluorophenyl)-1,3-dihydro-3-(1H-indol-3-ylmethyl)-1-methyl-2H-1,4-benzodiazepin-2-one

Biological Activity

Activator of KV7.1 (KCNQ1) channels. Activates the cardiac IKs current that decreases action potential duration (APD) in cardiac myocytes.

Technical Data

Soluble to 100 mM in DMSO
>98 %
Store at +4°C

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 / Safety Data Sheet

Certificate of Analysis: View current batch
Safety Data Sheet: View Safety Data Sheet


Salata et al (1998) A novel benzodiazepine that activates cardiac slow delayed rectifier K+ currents. Am.Soc.Pharmacol.Exp.Ther. 53 220.

Seebohm et al (2003) Pharmacological activation of normal and arrhythmia-associated mutant KCNQ1 potassium channels. Circ.Res. 93 941. PMID: 14576198.

Jow et al (2006) Rb+ efflux through functional activation of cardiac KCNQ1/minK channels by the benzodiazepine R-L3 (L-364,373). Assay Drug Dev.Technol. 4 443. PMID: 16945016.

Chadha et al (2012) Pharmacological dissection of K(V)7.1 channels in systemic and pulmonary arteries. Br.J.Pharmacol. 166 1377. PMID: 22251082.

If you know of a relevant citation for this product please let us know.

View Related Products by Product Action

Keywords: L-364,373, supplier, KCNQ1, KVLQT1, kv7.1, channel, activators, activates, IKs, Potassium, KV, Channels, voltage-gated, voltage-dependent, K+, L364373, Voltage-gated Potassium (KV) Channel Activators

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