2. Signaling Pathways
  3. Membrane Transporter/Ion Channel
  4. Potassium Channel

Potassium Channel

KcsA

Potassium Channel

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Potassium channels are the most widely distributed type of ion channel and are found in virtually all living organisms. They form potassium-selective pores that span cell membranes. Potassium channels are found in most cell types and control a wide variety of cell functions. Potassium channels function to conduct potassium ions down their electrochemical gradient, doing so both rapidly and selectively. Biologically, these channels act to set or reset the resting potential in many cells. In excitable cells, such asneurons, the delayed counterflow of potassium ions shapes the action potential. By contributing to the regulation of the action potential duration in cardiac muscle, malfunction of potassium channels may cause life-threatening arrhythmias. Potassium channels may also be involved in maintaining vascular tone.

Cat. No. Product Name Effect Purity Chemical Structure
  • HY-17623
    Tegoprazan
    		Inhibitor 99.76%
    Tegoprazan (CJ-12420), a potassium-competitive acid blocker, is a reversible, orally active and highly selective inhibitor of gastric H+/K+-ATPase. Tegoprazan inhibits gastric acid secretion and motility against porcine, canine and human H+/K+-ATPase with IC50 values ranging from 0.29-0.52 μM in vitro. Tegoprazan significantly improves colitis and enhances the intestinal epithelial barrier function in mice. Tegoprazan is promising for research of Inflammatory bowel, gastric acid-related, motilityimpaired diseases.
    Tegoprazan
  • HY-Y0078
    Cinnamyl Alcohol
    		Activator 99.34%
    Cinnamyl Alcohol is an active component from chestnut flower, inhibits increased PPARγ expression, exhibits anti-obesity, antioxidant and anti-inflammatory activities.
    Cinnamyl Alcohol
  • HY-A0148A
    Halofantrine hydrochloride
    		Inhibitor 99.90%
    Halofantrine hydrochloride (SKF-102886 hydrochloride; WR-171669 hydrochloride) is a blocker that delays the delayed rectifier potassium current by inhibiting human ERG channels, and it is a potent antimalarial agent with oral activity. Halofantrine hydrochloride inhibits the Cap1-dependent oxidative stress response of Candida albicans, suppresses ROS responses, and enhances the antifungal (Fungal) activity of oxidative damage agents. Halofantrine hydrochloride exhibits antifungal activity in the Galleria mellonella model, and shows antimalarial activity against Plasmodium strains both in vitro and in animal models. Halofantrine hydrochloride can be used in studies related to invasive candidiasis, falciparum malaria, and vivax malaria.
    Halofantrine hydrochloride
  • HY-B0883
    3,6-Diaminoacridine hemisulfate
    		Inhibitor 98.78%
    3,6-Diaminoacridine hemisulfate is a multifunctional acridine compound. 3,6-Diaminoacridine hemisulfate is an acridine dye and also a DNA inserter. 3,6-Diaminoacridine hemisulfate is a potent broad-spectrum antibacterial agent. Its mechanism is to insert into bacterial DNA, interfering with replication and transcription, leading to bacterial lysis. 3,6-Diaminoacridine hemisulfate is a Kir3.2 potassium channel blocker and can be used to study the neurological phenotype of Down syndrome. 3,6-Diaminoacridine hemisulfate can penetrate the stratum corneum of the skin and accumulate in the cell nucleus. Long-term exposure may induce skin cancer or other malignant tumors.
    3,6-Diaminoacridine hemisulfate
  • HY-124702
    ICA-105574
    		Inhibitor 99.25%
    ICA-105574 is a potent and efficacious hERG channel activator. The primary mechanism by which ICA-105574 potentiates hERG channel activity is by removing hERG channel inactivation. ICA-105574 steeply potentiates current amplitudes more than 10-fold with an EC50 value of 0.5 +/- 0.1 μM and a Hill slope (n(H)) of 3.3 +/- 0.2. ICA-105574 can prevent arrhythmias induced by cardiac delayed repolarization. ICA-105574 shortens action potential duration in ventricular myocytes concentration-dependently.
    ICA-105574
  • HY-B0246R
    Carbamazepine (Standard)
    		Inhibitor
    Carbamazepine (Standard) is the analytical standard of Carbamazepine. This product is intended for research and analytical applications. Carbamazepine is an orally active pressure-sensitive sodium ion channel blocker with an IC50 of 131 μM. Carbamazepine blocks voltage gated Na+, Ca2+, and K+ channels, and is also a HDAC inhibitor (IC50: 2 μM). Carbamazepine is an anticonvulsant and can be used for research of epilepsy and neuropathic pain.
    Carbamazepine (Standard)
  • HY-16953
    JNJ 303
    		Inhibitor 99.70%
    JNJ-303 is a specific delayed rectifier Kv blocker. JNJ 303 can potent block IKs with an IC50 value of 64 nM. JNJ-303 can be used for the research of diabetes, obesity and central nervous system.
    JNJ 303
  • HY-119322
    Tifenazoxide
    		Activator 99.56%
    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.
    Tifenazoxide
  • HY-B1467
    Domiphen bromide
    		Inhibitor 98.73%
    Domiphen bromide is a cationic active quaternary ammonium salt and also an inhibitor of HERG channels (IC50: 9 nM), aminopeptidase-like enzymes, Escherichia coli alkaline phosphatase, and α-chymotrypsin. Domiphen bromide has multiple activities such as antibacterial, antimalarial, and disinfectant properties, and it is also a synergist of Colistin (HY-113678). Domiphen bromide can be used as a chemical preservative and a cationic surfactant, and it can also be used in the research of bacterial infectious diseases such as pharyngitis, thrush, and oral ulcers.
    Domiphen bromide
  • HY-12882
    Ifenprodil
    		Inhibitor 99.94%
    Ifenprodil (NP-120), a cerebral vasodilator, is a noncompetitive NMDA receptor antagonist. Ifenprodil exerts high affinity at NR1A/NR2B receptors (IC50=0.34 μM) over 400-fold than at NR1A/NR2A receptors (IC50=146 μM). Ifenprodil is an α1 adrenergic receptor antagonist. Ifenprodil inhibits GIRK (Kir3), reduces inward currents through the basal GIRK activity. Ifenprodil has reliable inhibitory effects against A/H1N1 strains (EC50 of 6.6 µM). Ifenprodil has neuroprotective, anticonvulsant and antinociceptive effects. Ifenprodil can be used for the study of cerebrovascular diseases and peripheral arterial obliterative disease.
    Ifenprodil
  • HY-B0189
    Mosapride
    		Inhibitor 99.87%
    Mosapride is an orally active gastroenterokinetic compound. Mosapride is a 5HT4 agonist. Mosapride is a CYP inducer. Mosapride has a concentration-dependent inhibitory effect on Kv4.3, and its IC50 value is 15.2 μM. Mosapride can be used in the study of gastrointestinal diseases.
    Mosapride
  • HY-122560A
    VU0134992 hydrochloride
    		Inhibitor 98.49%
    VU0134992 hydrochloride is the first subtype-preferring, orally active and selective Kir4.1 potassium channel pore blocker, with an IC50 of 0.97 µM. VU0134992 hydrochloride is 9-fold selective for homomeric Kir4.1 over Kir4.1/5.1 concatemeric channels (IC50=9 µM) at -120 mV.
    VU0134992 hydrochloride
  • HY-122697
    ML418
    		Antagonist 99.78%
    ML418 is a potent, selective and CNS penetrating Kir7.1 potassium channel blocker. ML418 inhibits Kir7.1 with an IC50 value of 0.31 μM. ML418 can be used for the research of neurological, cardiovascular, endocrine and muscle disorders.
    ML418
  • HY-B0920
    Tolazamide
    		99.94%
    Tolazamide (U-17835) is an orally active sulfonylurea agent that inhibits sulfonylurea receptor 1 (SUR1) linked to the inwardly rectifying potassium channel (IC50 = 4.2 µM in HEK293 cells transfected with the human receptor). Tolazamide has anti-diabetic properties. Tolazamide can lower blood glucose in sulfonylurea class. Tolazamide decreases insulin dose while continuing to maintain adequate metabolic control. Tolazamide is able to improve or normalize hyperglycemia and HbA.
    Tolazamide
  • HY-B0267A
    Oxybutynin chloride
    		Inhibitor 98.49%
    Oxybutynin chloride is an oral active and competitive mAChR antagonist with Kis of 14.3 and 5.55 nM for specific [3H]NMS binding in the mouse bladder and cerebral cortex, respectively. Oxybutynin chloride inhibits vascular Kv channels in a manner independent of anticholinergic effect, with an IC50 value of 11.51 μM. Oxybutynin chloride reduces muscle spasm in the bladder and urinary tract, can be used in study of overactive bladder syndrome (OAB). Oxybutynin (chloride) is a click chemistry reagent, it contains an Alkyne group and can undergo copper-catalyzed azide-alkyne cycloaddition (CuAAc) with molecules containing Azide groups.
    Oxybutynin chloride
  • HY-16738A
    Eleclazine hydrochloride
    		Inhibitor 99.66%
    Eleclazine (GS 6615) hydrochloride is a selective cardiac late sodium current inhibitor and a weak inhibitor of potassium current with IC50 value of <1 μM and approximately 14.2 μM, respectively. Eleclazine hydrochloride shows concurrent protection against autonomically induced atrial premature beats, repolarization alternans and heterogeneity, and atrial fibrillation in porcine model. Eleclazine hydrochloride can be used to research cardiac arrhythmias.
    Eleclazine hydrochloride
  • HY-B0551
    Doxapram
    		Inhibitor 99.70%
    Doxapram is a respiratory stimulant. Doxapram increases breathing rate and depth by acting on the brain's respiratory centers and peripheral chemoreceptors. Doxapram inhibits TASK-1, TASK-3, TASK-1/TASK-3 heterodimeric channel function with EC50s of 410 nM, 37 μM, 9 μM, respectively. Doxapram inhibits the Ca²⁺-activated potassium current (IC50 ≈ 13 μM) and Ca²⁺-independent potassium current (IC50 ≈ 20 μM) in type I cells of the carotid body. Doxapram significantly prolongs the effective refractory period of the atrium and has an anti-arrhythmic effect. Doxapram can be used for the study of respiratory depression such as post-anesthesia respiratory depression, chronic obstructive pulmonary disease and apnea of prematurity.
    Doxapram
  • HY-17398
    Mitiglinide calcium
    		Antagonist 98.82%
    Mitiglinide Calcium (KAD-1229 anhydrous), an insulinotropic agent, is an ATP-sensitive K+ (KATP) channel antagonist. Mitiglinide Calcium is highly specific to the Kir6.2/SUR1 complex (the pancreatic beta-cell KATP channel). Mitiglinide Calcium can be used for the research of type 2 diabetes.
    Mitiglinide calcium
  • HY-B0189B
    Mosapride citrate dihydrate
    		Inhibitor 99.59%
    Mosapride (TAK-370) citrate dehydrate is a gastroprokinetic agent with 5-hydroxytryptamine4 receptor agonist activity and has been widely used in the research of a variety of gastrointestinal disorders. Mosapride citrate dihydrate potently inhibits Kv4.3 in a concentration-dependent manner with IC50 values of 15.2 μM. Mosapride citrate dihydrateselectively stimulates upper GI motility in vivo.
    Mosapride citrate dihydrate
  • HY-100641
    4-Hydroxytolbutamide
    		Inhibitor 99.69%
    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.
    4-Hydroxytolbutamide
Cat. No. Product Name / Synonyms Application Reactivity