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Pathways Recommended:	Membrane Transporter/Ion Channel

Results for "

KCNQ2/KCNQ3 channels

" in MedChemExpress (MCE) Product Catalog:

By Targets:	Potassium Channel (7) Reference Standards (1)
By Research Areas:	Cardiovascular Disease (1) Neurological Disease (7)

Cat. No.	Product Name	Target	Research Areas	Chemical Structure

HY-122114

ICA-27243 1 Publications Verification	Potassium Channel	Neurological Disease
ICA-27243 is a selective, potent and orally active **KCNQ2/Q3 potassium channel opener with an EC₅₀** of 0.38 μM. ICA-27243 is less effective at activating KCNQ4 and KCNQ3/Q5. ICA-27243 has antiepileptic and anticonvulsant effects .

HY-108577

XE991 dihydrochloride 3 Publications Verification	Potassium Channel	Neurological Disease
XE991 dihydrochloride, a Kv7 (KCNQ) channels blocker, potently inhibits Kv7.1 (KCNQ1), Kv7.2 (KCNQ2), Kv7.2 + Kv7.3 (KCNQ3) channel, and M-current with IC₅₀s of 0.75 μM, 0.71 μM, 0.6 μM, and 0.98 μM, respectively .

HY-108577A

XE991 3 Publications Verification	Potassium Channel	Neurological Disease
XE 991 dihydrochloride, a Kv7 (KCNQ) channels blocker, potently inhibits Kv7.1 (KCNQ1), Kv7.2 (KCNQ2), Kv7.2 + Kv7.3 (KCNQ3) channel, and M-current with IC₅₀s of 0.75 μM, 0.71 μM, 0.6 μM, and 0.98 μM, respectively .

HY-130070

QO-40	Potassium Channel	Neurological Disease
QO-40, a pyrazolo[1,5-a]pyrimidine-7(4H)-one (PPO) derivative, is a *KCNQ2/KCNQ3* K ⁺ channels activator with an EC₅₀ of 6.94 μM. QO-40 stimulated Ca ²⁺-activated K ⁺ current (I_K(Ca)) with an EC₅₀ value of 2.3 μM in pituitary GH3 lactotrophs .

HY-108577R

XE991 dihydrochloride (Standard)	Potassium Channel	Neurological Disease
XE991 dihydrochloride (Standard) is the analytical standard of XE991 dihydrochloride. This product is intended for research and analytical applications. XE991 dihydrochloride, a Kv7 (KCNQ) channels blocker, potently inhibits Kv7.1 (KCNQ1), Kv7.2 (KCNQ2), Kv7.2 + Kv7.3 (KCNQ3) channel, and M-current with IC50s of 0.75 μM, 0.71 μM, 0.6 μM, and 0.98 μM, respectively .

HY-184207

Zinc13732787	Potassium Channel	Cardiovascular Disease Neurological Disease
Zinc13732787 is an inhibitor of the *KCNQ1/KCNE1* potassium channel complex, with no activity against the *KCNQ2/KCNQ3* channel. Zinc13732787 reduces axonal growth in human neural stem cells, while exerting no effect on KCNQ1-knockout neural stem cells. Zinc13732787 can be used for research on arrhythmia, epilepsy, and neuropsychiatric disorders .

HY-108577AR

XE991 (Standard)	Potassium Channel Reference Standards	Neurological Disease
XE991 (Standard) is the analytical standard of XE991 (HY-108577A). This product is intended for research and analytical applications. XE 991, a Kv7 (KCNQ) channels blocker, potently inhibits Kv7.1 (KCNQ1), Kv7.2 (KCNQ2), Kv7.2 + Kv7.3 (KCNQ3) channel, and M-current with IC₅₀s of 0.75 μM, 0.71 μM, 0.6 μM, and 0.98 μM, respectively .

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BODIPY 493/503 purchased from MedChemExpress. Usage Cited in: Nat Commun. 2025 Feb 1;16(1):1241. [Abstract]

MedchemExpress Validation 01

Western blot analysis of extracts from THP-1(lane 2(20μg), Jurkat (lane 3(20μg) and NIH3T3(lane 4(20μg) using FOXO1A (HY-P80132) Rabbit mAb. Proteins were transferred to a PVDF membrane and blocked with 5% non-fat milk in TBST for 2 hour at room temperature. The primary antibody (1/1000) and Loading control antibody (Beta Actin, HY-P80438, 1/10000) was used in 5% non-fat milk in TBST at 4°C overnight. Goat Anti-Mouse/Rabbit IgG-HRP Secondary Antibody (1/10000) was used for 1 hour at room temperature. Western blot analysis of extracts from THP-1(lane 2(20μg), Jurkat (lane 3(20μg) and NIH3T3(lane 4(20μg) using FOXO1A (HY-P80132) Rabbit mAb. Proteins were transferred to a PVDF membrane and blocked with 5% non-fat milk in TBST for 2 hour at room temperature. The primary antibody (1/1000) and Loading control antibody (Beta Actin, HY-P80438, 1/10000) was used in 5% non-fat milk in TBST at 4°C overnight. Goat Anti-Mouse/Rabbit IgG-HRP Secondary Antibody (1/10000) was used for 1 hour at room temperature. Western blot analysis of extracts from THP-1(lane 2(20μg), Jurkat (lane 3(20μg) and NIH3T3(lane 4(20μg) using FOXO1A (HY-P80132) Rabbit mAb. Proteins were transferred to a PVDF membrane and blocked with 5% non-fat milk in TBST for 2 hour at room temperature. The primary antibody (1/1000) and Loading control antibody (Beta Actin, HY-P80438, 1/10000) was used in 5% non-fat milk in TBST at 4°C overnight. Goat Anti-Mouse/Rabbit IgG-HRP Secondary Antibody (1/10000) was used for 1 hour at room temperature.

BODIPY 493/503 purchased from MedChemExpress. Usage Cited in: Nat Commun. 2025 Feb 1;16(1):1241. [Abstract]

MedchemExpress Validation 01

MedchemExpress Validation 03

Western blot analysis of extracts from THP-1(lane 2(20μg), Jurkat (lane 3(20μg) and NIH3T3(lane 4(20μg) using FOXO1A (HY-P80132) Rabbit mAb. Proteins were transferred

MedchemExpress Validation 04

MedchemExpress Validation

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KCNQ2/KCNQ3 channels

Inhibitors & Agonists