XE991 2HCl is a potent and selective blocker of KV7 (KCNQ) voltage-gated potassium channels which blocks KV7.2+7.3 (KCNQ2+3) / M-currents (IC50 = 0.6 - 0.98 μM) and KV7.1 (KCNQ1) homomeric channels (IC50 = 0.75 μM) but is less potent against KV7.1/minK channels (IC50 = 11.1 μM).

Product information

CAS Number: 122955-13-9

Molecular Weight: 449.37

Formula: C26H22Cl2N2O

Chemical Name: 10,10-bis(4-pyridinylmethyl)-9(10H)-anthracenone, dihydrochloride

Smiles: Cl.Cl.O=C1C2=CC=CC=C2C(CC2C=CN=CC=2)(CC2C=CN=CC=2)C2=CC=CC=C21

InChiKey: WOGWMARIFDNZON-UHFFFAOYSA-N

InChi: InChI=1S/C26H20N2O.2ClH/c29-25-21-5-1-3-7-23(21)26(17-19-9-13-27-14-10-19,18-20-11-15-28-16-12-20)24-8-4-2-6-22(24)25;;/h1-16H,17-18H2;2*1H

Technical Data

Appearance: Solid Power

Purity: ≥98% (or refer to the Certificate of Analysis)

Solubility: DMSO : 7.14 mg/mL (15.89 mM; Need ultrasonic)

Shipping Condition: Shipped under ambient temperature as non-hazardous chemical or refer to Certificate of Analysis

Storage Condition: Dry, dark and -20 ^oC for 1 year or refer to the Certificate of Analysis.

Shelf Life: ≥12 months if stored properly.

Stock Solution Storage: 0 - 4 ^oC for 1 month or refer to the Certificate of Analysis.

Drug Formulation: To be determined

HS Tariff Code: 382200

How to use

In Vitro:

XE 991 dihydrochloride possesses an EC50 of 490 nM for enhancement of [3H]ACh release from rat brain slices, and shows good in vivo potency and duration of action.

References:

1. Wang HS, et al. KCNQ2 and KCNQ3 potassium channel subunits: molecular correlates of the M-channel. Science. 1998 Dec 4;282(5395):1890-3.
2. Zaczek R, et al. Two new potent neurotransmitter release enhancers, 10,10-bis(4-pyridinylmethyl)-9(10H)-anthracenone and 10,10-bis(2-fluoro-4-pyridinylmethyl)-9(10H)-anthracenone: comparison to linopirdine. J Pharmacol Exp Ther. 1998 May;285(2):724-30.

Products are for research use only. Not for human use.