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

Potassium Channel Inhibitor

Potassium Channel Inhibitors (490):

Cat. No. Product Name Effect Purity
  • HY-100545
    BAPTA-AM
    Inhibitor 99.68%
    BAPTA-AM is a well-known membrane permeable Ca2+ chelator. BAPTA-AM inhibits hERG channels, hKv1.3 and hKv1.5 channels in HEK 293 cells with IC50s of 1.3 μM, 1.45 μM and 1.23 μM, respectively.
  • HY-B0437
    Sotalol hydrochloride
    Inhibitor 99.91%
    Sotalol hydrochloride (MJ 1999) is an orally active, non-selective β-adrenergic receptor blocker. Sotalol hydrochloride is a potent antiarrhythmic agent that can be used for the research of pediatric arrhythmias. Sotalol hydrochloride blocks β-receptors, and potassium KCNH2 channels. Antiepileptic Agent.
  • HY-A0135
    Enflurane
    Inhibitor ≥98.0%
    Enflurane, a volatile anaesthetic, is a potent inhibitor of high conductance Ca2+-activated K+ channels of Chara australis. Enflurane is an internal standard in monitoring halogenated volatile anaesthetics by headspace gas chromatography-mass spectrometry.
  • HY-P5871A
    Jingzhaotoxin-XII TFA
    Inhibitor
    Jingzhaotoxin-XII (JzTx-XII) TFA is a specific Kv4.1 channel inhibitor with an IC50 of 0.363 μM. Jingzhaotoxin-XII TFA interacts with the channels by modifying the gating behavior.
  • HY-17504
    Rosuvastatin Calcium
    Inhibitor 99.77%
    Rosuvastatin Calcium is a competitive HMG-CoA reductase (HMGCR) inhibitor, with an IC50 of 11 nM. Rosuvastatin Calcium potently blocks hERG current with an IC50 of 195 nM. Rosuvastatin Calcium reduces the expression of the mature hERG and the interaction of heat shock protein 70 (Hsp70) with the hERG protein. Rosuvastatin Calcium effectively lowers low-density lipoprotein (LDL) cholesterol, triglycerides, and C-reactive protein levels.
  • HY-19545A
    SCH-23390 hydrochloride
    Inhibitor 99.77%
    SCH-23390 hydrochloride (R-(+)-SCH-23390 hydrochloride) is a potent and selective dopamine D1-like receptor antagonist with Kis of 0.2 nM and 0.3 nM for the D1 and D5 receptor, respectively. SCH-23390 hydrochloride is a potent and high efficacy human 5-HT2C receptor agonist with a Ki of 9.3 nM. SCH-23390 hydrochloride also binds with high affinity to the 5-HT2 and 5-HT1C receptors. SCH-23390 hydrochloride inhibits G protein-coupled inwardly rectifying potassium (GIRK) channels with an IC50 of 268 nM.
  • HY-19620
    Branaplam
    Inhibitor 99.78%
    Branaplam (LMI070; NVS-SM1) is a highly potent, selective and orally active survival motor neuron-2 (SMN2) splicing modulator with an EC50 of 20 nM for SMN. Branaplam inhibits human-ether-a-go-go-related gene (hERG) with an IC50 of 6.3 μM. Branaplam elevates full-length SMN protein and extends survival in a severe spinal muscular atrophy (SMA) mouse model.
  • HY-15206
    Glibenclamide
    Inhibitor 99.94%
    Glibenclamide (Glyburide) is an orally active ATP-sensitive K+ channel (KATP) inhibitor and can be used for the research of diabetes and obesity. Glibenclamide inhibits P-glycoprotein. Glibenclamide directly binds and blocks the SUR1 subunits of KATP and inhibits the cystic fibrosis transmembrane conductance regulator protein (CFTR). Glibenclamide interferes with mitochondrial bioenergetics by inducing changes on membrane ion permeability. Glibenclamide can induce autophagy.
  • HY-B0246
    Carbamazepine
    Inhibitor 99.95%
    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.
  • HY-13764
    Tetrandrine
    Inhibitor 99.91%
    Tetrandrine (NSC-77037; d-Tetrandrine) is a bis-benzyl-isoquinoline alkaloid, which inhibits voltage-gated Ca2+ current (ICa) and Ca2+-activated K+ current.
  • HY-N0603
    20(S)-Ginsenoside Rg3
    Inhibitor 99.94%
    20(S)-Ginsenoside Rg3 is the main component of Panax ginseng C. A. Meyer. Ginsenoside Rg3 inhibits Na+ and hKv1.4 channel with IC50s of 32.2±4.5 and 32.6±2.2 μM, respectively. 20(S)-Ginsenoside Rg3 also inhibits levels, NF-κB activity, and COX-2 expression.
  • HY-14188
    Amiodarone hydrochloride
    Inhibitor 99.86%
    Amiodarone hydrochloride, a benzofuran-based Class III antiarrhythmic agent, inhibits WT outwardIhERG tails with an IC50 of ∼45 nM. Amiodarone hydrochloride induces cell proliferation and myofibroblast differentiation via ERK1/2 and p38 MAPK signaling in fibroblasts. Amiodarone hydrochloride can be used in the research of both supraventricular and ventricular arrhythmias.
  • HY-B1751
    Quinidine (15% dihydroquinidine)
    Inhibitor 99.19%
    Quinidine (15% dihydroquinidine) is an antiarrhythmic agent. Quinidine is a potent, orally active, selective cytochrome P450db inhibitor. Quinidine is also a K+ channel blocker with an IC50 of 19.9 μM, and can induce apoptosis. Quinidine can be used for malaria research.
  • HY-15551
    E-4031
    Inhibitor 99.40%
    E-4031 is a selective hERG potassium channel blocker for use in class III anti-arrhythmic studies.
  • HY-W728531
    Ac4ManNAz
    Inhibitor 99.52%
    Ac4ManNAz can be taken up by cells and is an azide-containing metabolic glycoprotein labeling reagent that selectively modifies proteins. Commonly used for cell labeling, tracking and proteomic analysis. Ac4ManNAz contains an Azide group and can undergo copper-catalyzed azide-alkyne cycloaddition reaction (CuAAc) with molecules containing Alkyne groups. Ac4ManNAz can also undergo strain-promoted alkyne-azide cycloaddition (SPAAC) with molecules containing DBCO or BCN groups.
  • HY-B2136
    Tannic acid
    Inhibitor
    Tannic acid is a novel hERG channel blocker with IC50 of 3.4 μM.
  • HY-13519
    TRAM-34
    Inhibitor 99.94%
    TRAM-34 is a highly selective blocker of intermediate-conductance calcium-activated K+ channel (IKCa1) (Kd=20 nM).
  • HY-100001
    SKF-96365 hydrochloride
    Inhibitor 99.71%
    SKF-96365 hydrochloride is a potent TRP channel blocker and a store-operated Ca2+ entry (SOCE) inhibitor. SKF-96365 hydrochloride significantly inhibits hERG, hKCNQ1/hKCNE1, hKir2.1 and hKv4.3 current, and significantly prolongs the QTc interval in isolated guinea pig hearts. SKF-96365 hydrochloride exhibits potent anti-neoplastic activity by inducing cell-cycle arrest and apoptosis in colorectal cancer cells.
  • HY-D0143
    Quinine
    Inhibitor 98.05%
    Quinine is an alkaloid derived from the bark of the cinchona tree, acts as an anti-malaria agent. Quinine is a potassium channel inhibitor that inhibits WT mouse Slo3 (KCa5.1) channel currents evoked by voltage pulses to +100 mV with an IC50 of 169 μM.
  • HY-B0232
    Dofetilide
    Inhibitor 98.42%
    Dofetilide (UK 68789), as a class III antiarrhythmic agent, is an orally active, potent and specific IKr blocker. Dofetilide can be used for the research of cardiovascular disease.