Home > Inhibitors & Agonists > Membrane Transporter/Ion Channel > Potassium Channel
Cat. No. Product name CAS No.
DC9600 Senicapoc

Senicapoc(ICA17043) is a potent and selective Gardos channel blocker; blocked Ca(2+)-induced rubidium flux from human RBCs/ inhibited RBC dehydration with IC50s of 11 nM/30 nM, respectively. IC50 value: 11/30 nM [1] Target: Gardos channel in vitro: I

289656-45-7
DC11376 SKA-121

SKA-121 is a positive-gating modulator of intermediate-conductance calcium-activated potassium channels (IKCa1/KCa3.1) with an EC50 value of 109 nM using whole-cell patch-clamp electrophysiology with calcium in the internal solution.

1820708-73-3
DC11947 ML418

The first potent, selective, CNS penetrating inward rectifier potassium channel Kir7.1 (KCNJ13) inhibitor with IC50 of 0.31 uM.

1928763-08-9
DC11940 VU590

The first small-molecule inhibitor of renal outer medullary potassium channel (ROMK, Kir1.1) and Kir7.1 with IC50 of 294 nM for ROMK.

313505-85-0
DC11357 Tolazamide

Tolazamide is a first generation sulfonylurea that inhibits sulfonylurea receptor 1 (SUR1) linked to the inwardly rectifying potassium channel (KIR6.2; IC50 = 4.2 µM in HEK293 cells transfected with the human receptor).

1156-19-0
DC9023 Tolbutamide

Tolbutamide is a first generation potassium channel blocker, sulfonylurea oral hypoglycemic drug.

64-77-7
DC9598 TRAM-34

TRAM-34 is a highly selective blocker of intermediate conductance Ca2+-activated K+ channels (KCa3.1) (Kd = 20 nM).

289905-88-0
DC9094 Ropivacaine mesylate

854056-07-8
DC9066 Quinidine

56-54-2
DC11941 VU590 dihydrochloride

1783987-83-6
DC11945 VU714 oxalate

474625-52-0
DC28081 Dofetilide N-oxide

Dofetilide N-oxide (UK-116856) is a metabolite of Dofetilide. Dofetilide is a class III antiarrhythmic agent that blocks potassium channels.

144449-71-8
DC28086 4-Hydroxytolbutamide

4-Hydroxytolbutamide (Hydroxytolbutamide) is a metabolite of Tolbutamide. 4-Hydroxytolbutamide is metabolized by CYP2C8 and CYP2C9. Tolbutamide is a first generation potassium channel blocker and a sulfonylurea oral antidiabetic.

5719-85-7
DC28263 NS8593 hydrochloride

NS8593 hydrochloride is a potent and selective small conductance Ca2+-activated K+ channels (SK channels) inhibitor. NS8593 hydrochloride reversibly inhibits SK3-mediated currents with a Kd value of 77 nM. NS8593 hydrochloride inhibits all the SK1-3 subtypes Ca2+-dependently (Kds of 0.42, 0.60, and 0.73 μM, respectively, at 0.5 μM Ca2+), and does not affect the Ca2+-activated K+ channels of intermediate and large conductance (hIK and hBK channels, respectively).

875755-24-1
DC28311 A-935142

A-935142 is a human ether-a-go-go-related gene (hERG, Kv 11.1) channel activator. A-935142 enhances hERG current in a complex manner by facilitation of activation, reduction of inactivation, and slowing of deactivation, and abbreviates atrial and ventricular repolarization.

1031335-85-9
DC28389 VU041

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.

332943-64-3
DC28398 Tifenazoxide

Tifenazoxide (NN414) is a potent, orally active and SUR1/Kir6.2 selective KATP channels opener. Tifenazoxide has antidiabetic effect, can inhibit glucose stimulated insulin release in vitro and in vivo, and has a beneficial effect on glucose homeostasis.

279215-43-9
DC28637 Desethylamiodarone hydrochloride

Desethylamiodarone hydrochloride (N-desethylamiodarone hydrochloride) is a major active metabolite of Amiodarone. Desethylamiodarone hydrochloride is formed by CYP3A isoenzymes. Amiodarone is an antiarrhythmic agent for inhibition of ATP-sensitive potassium channel with an IC50 of 19.1 μM.

96027-74-6
DC28638 Dibutyryl-cGMP sodium

Dibutyryl-cGMP sodium (Bt2cGMP sodium) is a cell-permeable cGMP analogue. Dibutyryl-cGMP sodium preferentially activates cGMP-dependent protein kinase (PKG). Dibutyryl-cGMP sodium inhibits the release of [3H]-arachidonic acid from γ thrombin-stimulated human platelets. Dibutyryl-cGMP sodium induces peripheral antinociception via activation of ATP-sensitive K+ channels.

51116-00-8
DC28815 Ethyl tosylcarbamate

Ethyl tosylcarbamate is an intermediate in the synthesis of Gliclazide (G409877). Gliclazide is a whole-cell beta-cell ATP-sensitive potassium currents blocker with an IC50 of 184 nM.

5577-13-9
DC28930 OR-1896

OR-1896 is an active long-lived metabolite of Levosimendan. OR-1896 is a highly selective phosphodiesterase (PDE) III isoform inhibitor and a powerful vasodilator. OR-1896 can open ATP-sensitive K+ channels and has Ca2+-sensitizing effect. OR-1896 mitigates cardiomyocyte apoptosis, cardiac remodeling and myocardial inflammation.

220246-81-1
DC28951 A2764 dihydrochloride

A2764 dihydrochloride is a highly selective inhibitor of TRESK (TWIK-related spinal cord K+ channel, K2P18.1), which has moderate inhibitory effects on TREK-1 and TALK-1. A2764 dihydrochloride is more sensitive to the activated mTRESK channels (IC50=6.8 μM) than the basal current. A2764 dihydrochloride can lead to cell depolarization and increased excitability in native cells, it has the potential for probing the role of TRESK channel in migraine and nociception.

861038-72-4
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