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Pathways Recommended:	Membrane Transporter/Ion Channel

Results for "

Kir2 channel

" in MedChemExpress (MCE) Product Catalog:

By Targets:	P-glycoprotein (1) Parasite (4) PKA (3) Potassium Channel (13) Reference Standards (2)
By Research Areas:	Cancer (1) Cardiovascular Disease (5) Infection (4) Neurological Disease (2)

Inhibitors & Agonists

Peptides

Cat. No.	Product Name	Target	Research Areas	Chemical Structure

HY-100230A

ML133 hydrochloride 2 Publications Verification	Potassium Channel	Others
ML133 hydrochloride is a selective **K_ir2 family channels inhibitor, with an IC₅₀** of 1.8 μM at pH 7.4 and 290 nM at pH 8.5 .

HY-B1194

Tetramisole hydrochloride (±)-Tetramisole hydrochloride; DL-Tetramisole hydrochloride; R-829	Potassium Channel Parasite PKA	Infection Cardiovascular Disease
Tetramisole hydrochloride is an orally active, selective inward rectifier potassium channel agonist with an EC₅₀ of approximately 30 μM for the Kir2.1 subunit. Tetramisole hydrochloride is also an anti-nematode agent that blocks neuromuscular transmission by non-competitive depolarization. Tetramisole hydrochloride promotes the forward transport of Kir2.1 channels, hyperpolarizes the resting potential (RP), shortens the action potential duration (APD), inhibits intracellular calcium overload and the PKA signaling pathway, and exerts anti-arrhythmic and anti-myocardial remodeling activities. Tetramisole hydrochloride can be used in cardiac electrophysiology research and research related to myocardial ischemia and heart failure .

HY-118607

VU041	Potassium Channel Parasite	Infection
VU041 is a first submicromolar-affinity inhibitor of *Anopheles (An.) gambiae* and **Aedes (Ae.) aegypti inward rectifier potassium 1 (Kir1) channels with IC₅₀ values of 2.5 μM and 1.7 μM, respectively. VU041 inhibits appreciably is mammalian Kir2.1 (IC₅₀** of 12.7 μM), and has less inhibitory effect on mammalian Kir1.1, Kir4.1, Kir6.2/SUR1, and Kir7.1. VU041 also induces impaired Malpighian tubule function .

HY-112544

IK1 inhibitor PA-6 1 Publications Verification PA-6	Potassium Channel	Cardiovascular Disease
IK1 inhibitor PA-6 (PA-6), a pentamidine analogue, is a selective and potent I_K1 (K_IR2.x ion-channel-carried inward rectifier current) inhibitor, with IC₅₀ values of 12-15 nM for human and mouse K_IR2.x currents. IK1 inhibitor PA-6 (PA-6) elevates K_IR2.1 protein expression and induces intracellular K_IR2.1 accumulation. IK1 inhibitor PA-6 (PA-6) has the potential to treat atrial fibrillation and arrhythmia .

HY-173162

GPV0057	P-glycoprotein Potassium Channel	Cardiovascular Disease Cancer
GPV0057 (Compound 5d) is a selective and potent P-glycoprotein (P-gp) inhibitor. GPV0057 is also a selective potassium channel K_ir2.1 activator. GPV0057 competitively binds to the substrate-binding site of P-gp, inhibiting ATP-dependent drug efflux to reverse multidrug resistance in tumor cells. GPV0057 can also stabilizes the open state of K_ir2.1 and promotes potassium ion influx. GPV0057 is promising for research of tumors with high P-gp expression, K_ir2.1-deficient diseases such as heart failure and Andersen-Tawil Syndrome .

HY-178058A

VU6080824 hydrochloride	Potassium Channel	Others
VU6080824 (hydrochloride), a derivative of ML-133 (HY-100230), is an inward-rectifier potassium channel (K_ir2.1) inhibitor with an IC₅₀ of 0.35  μM. VU6080824 (hydrochloride) has superior thallium flux and manual patch clamp (MPC) functional potency .

HY-100230

ML-133	Potassium Channel	Others
ML133 is a selective **K_ir2 family channels inhibitor, with an IC₅₀** of 1.8 μM at pH 7.4 and 290 nM at pH 8.5 .

HY-178058

VU6080824	Potassium Channel	Others
VU6080824 (Compound 5s), a derivative of ML-133 (HY-100230), is an inward-rectifier potassium channel (K_ir2.1) inhibitor with an IC₅₀ of 0.35  μM. VU6080824 has superior thallium flux and manual patch clamp (MPC) functional potency .

HY-B1194A

Tetramisole	Potassium Channel Parasite PKA	Infection Cardiovascular Disease
Tetramisole is an orally active, selective inward rectifier potassium channel agonist with an EC₅₀ of approximately 30 μM for the Kir2.1 subunit. Tetramisole is also an anti-nematode agent that blocks neuromuscular transmission by non-competitive depolarization. Tetramisole promotes the forward transport of Kir2.1 channels, hyperpolarizes the resting potential (RP), shortens the action potential duration (APD), inhibits intracellular calcium overload and the PKA signaling pathway, and exerts anti-arrhythmic and anti-myocardial remodeling activities. Tetramisole can be used in cardiac electrophysiology research and research related to myocardial ischemia and heart failure .

HY-P1424

Lei-Dab7	Potassium Channel	Neurological Disease
Lei-Dab7 is a potent and selective SK2 (KCa2.2) channels blocker with a K_d of 3.8 nM. Lei-Dab7 shows low or no activity on KCa1, KCa3, Kv and Kir2.1 channels .

HY-B1194R

Tetramisole hydrochloride (Standard) (±)-Tetramisole hydrochloride (Standard); DL-Tetramisole hydrochloride (Standard); R-829 (Standard)	Reference Standards Potassium Channel Parasite PKA	Infection Cardiovascular Disease
Tetramisole hydrochloride (Standard) is the analytical standard of Tetramisole (hydrochloride). This product is intended for research and analytical applications. Tetramisole hydrochloride is an orally active, selective inward rectifier potassium channel agonist with an EC₅₀ of approximately 30 μM for the Kir2.1 subunit. Tetramisole hydrochloride is also an anti-nematode agent that blocks neuromuscular transmission by non-competitive depolarization. Tetramisole hydrochloride promotes the forward transport of Kir2.1 channels, hyperpolarizes the resting potential (RP), shortens the action potential duration (APD), inhibits intracellular calcium overload and the PKA signaling pathway, and exerts anti-arrhythmic and anti-myocardial remodeling activities. Tetramisole hydrochloride can be used in cardiac electrophysiology research and research related to myocardial ischemia and heart failure .

HY-P1424A

Lei-Dab7 TFA	Potassium Channel	Neurological Disease
Lei-Dab7 TFA is a high affinity, selective K_Ca2.2 (SK2) channel blocker (K_d=3.8 nM). Lei-Dab7 TFA exhibits >200-fold selectivity for K_Ca2.2 over K_Ca2.1, K_Ca2.3, K_Ca3.1, K_v and Kir2.1. Lei-Dab7 TFA increases theta-burst responses and increases LTP in rat hippocampal slices in vitro.

HY-100230AR

ML133 hydrochloride (Standard)	Potassium Channel Reference Standards	Others
ML133 (hydrochloride) (Standard) is the analytical standard of ML133 (hydrochloride) (HY-100230A). This product is intended for research and analytical applications. ML133 hydrochloride is a selective Kir2 family channels inhibitor, with an IC50 of 1.8 μM at pH 7.4 and 290 nM at pH 8.5 .

Cat. No.	Product Name	Target	Research Area

HY-P1424

Lei-Dab7	Potassium Channel	Neurological Disease
Lei-Dab7 is a potent and selective SK2 (KCa2.2) channels blocker with a K_d of 3.8 nM. Lei-Dab7 shows low or no activity on KCa1, KCa3, Kv and Kir2.1 channels .

HY-P1424A

Lei-Dab7 TFA	Potassium Channel	Neurological Disease
Lei-Dab7 TFA is a high affinity, selective K_Ca2.2 (SK2) channel blocker (K_d=3.8 nM). Lei-Dab7 TFA exhibits >200-fold selectivity for K_Ca2.2 over K_Ca2.1, K_Ca2.3, K_Ca3.1, K_v and Kir2.1. Lei-Dab7 TFA increases theta-burst responses and increases LTP in rat hippocampal slices in vitro.

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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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