Catalog No.
Product Name
Application
Product Information
Citations
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SK2 Channels Blocker
Lei-Dab7 is a highly selective blocker of SK2 (KCa2.2) channels, exhibiting a Kd value of 3.8 nM. This compound demonstrates minimal to no activity against KCa1, KCa3, Kv, and Kir2.1 channels, making it an excellent tool for investigating SK2 channel functions. Its specificity makes Lei-Dab7 valuable in research applications focused on calcium-activated potassium channels and related physiological pathways. -
Potassium Ion Regulator
AU-1421 is a potassium ion (K⁺) site-directed regulator that selectively interacts with various cation transport ATPases. This compound distinguishes between two K⁺-sensitive phosphorylation intermediate (E2P) states, accelerating hydrolysis in non-K⁺ transport ATPases such as sarcoplasmic reticulum Ca²⁺-ATPase, while inhibiting hydrolysis and stabilizing the phosphorylated state in K⁺ transport ATPases, including gastric mucosa H⁺/K⁺-ATPase and renal Na⁺/K⁺-ATPase. AU-1421 is valuable for investigating the mechanistic pathways of potassium ion pumps in cellular processes. -
Kv3 Channel Modulator
Kv3 modulator 5 is a selective modulator of the Kv3 channel, specifically enhancing Kv3.2 ion currents. This compound plays a significant role in the modulation of neuronal firing rates and has potential applications in the study of auditory processing and hearing disorders. Researchers can utilize Kv3 modulator 5 to investigate its effects on synaptic transmission and its therapeutic potential in auditory-related pathologies. -
Potassium Channel Inhibitor
L-3373 is a voltage-dependent potassium channel inhibitor that effectively reduces the refractory period and the dispersion of monophasic action potential duration. Its significant action in minimizing susceptibility to ventricular fibrillation has been demonstrated in a feline model of left ventricular hypertrophy. This compound serves as a valuable tool for research into cardiac electrophysiology and the mechanisms underlying arrhythmias. -
Potassium Channel Opener
BMS-223131 is a potent maxi-K potassium channel opener, primarily targeting potassium channels to enhance K+ efflux and hyperpolarize cell membranes, leading to reduced Ca2+ influx. It demonstrates strong inhibitory activity on the CYP2C9 enzyme (IC50 = 1.7 μM) and modulates several other CYP enzymes, including CYP1A2, CYP2C19, CYP2D6, and CYP3A4. This compound is valuable in research focused on neurological diseases, particularly stroke, due to its ability to influence ion channel activity and cellular excitability. -
Potassium Channel Opener
TCV 295 is an orally active potassium channel opener that targets potassium channels to induce vasodilation. It has demonstrated efficacy in reducing blood pressure, systemic vascular resistance, and myocardial oxygen consumption. This compound is particularly useful for research applications focused on cardiovascular diseases, including hypertension. -
Potassium Channel Opener
JTV-506 is a potent ATP-sensitive potassium channel opener that primarily targets KATP channels. It effectively inhibits histamine-induced contractions in tracheal smooth muscle and reduces pulmonary vascular tone through direct action on vascular smooth muscle cells. JTV-506 serves as a valuable tool in pulmonary hypertension research, facilitating investigations into therapeutic strategies for managing this condition. -
Potassium channel opener
Rilmakalim is a potassium channel opener that primarily targets ATP-sensitive K+ channels. It enhances potassium efflux, leading to hyperpolarization of the cell membrane, which can result in vasodilation and decreased heart muscle contractility. Rilmakalim is widely utilized in research investigating cardiovascular physiology, diabetic complications, and neuroprotection, particularly in the context of cardiac and vascular health. -
Kv1.5 Blocker
KVI-020 is a potent and selective blocker of the atrial potassium channel Kv1.5, exhibiting an IC50 of 480 nM. This compound demonstrates a weaker inhibition of hERG channels, with an IC50 of 15,100 nM. KVI-020 serves as an effective antiarrhythmic agent and is valuable for research focused on atrial fibrillation (AF) and related cardiac dysrhythmias. -
Potassium Channel Activator
Aprikalim is a potassium channel activator that primarily targets ATP-sensitive K+ (KATP) channels. It has been shown to enhance KATP channel activity in guinea pig ventricular myocytes, particularly in Mg-NDP solutions, where it reduces ATP sensitivity and increases the K1 value from 56 μM to 180 μM. This property highlights the potential of Aprikalim in modulating cardiac excitability and suggests its relevance in exploring therapeutic strategies for cardiac conditions. Its effects on KATP channel functionality may also provide insights into the enzymatic activity of channel proteins under various experimental conditions. -
Kv1.5 Blocker
AVE-0118 is a nonselective blocker of the voltage-gated potassium channel Kv1.5, exhibiting an IC50 of 1.1 μM. This compound functions as a multichannel inhibitor with micromolar activity against Kv1.5 and several other ion channels, while demonstrating inactivity towards IKs, IKATP, and L-type calcium channels. AVE-0118 is useful in research related to cardiac action potentials and can aid in the study of ion channel pharmacology. -
Kv7.2 Modulator
Kv7.2 modulator 2 is a selective modulator of the Kv7.2 potassium ion channel, primarily involved in neuronal excitability. This compound has demonstrated potential in the modulation of excitatory neurotransmission, making it valuable for research related to epilepsy and other neurological disorders. Its role in enhancing potassium ion flow may provide insights into therapeutic strategies for seizure management and neuronal stabilization. -
Antiarrhythmic Agent
Ipazilide fumarate is an antiarrhythmic agent that primarily targets potassium channels. It effectively reduces K+-depolarized tone and prolongs ventricular refractoriness, making it beneficial in the management of arrhythmias. Additionally, Ipazilide fumarate exhibits antiectopic activity, providing important insights into cardiac electrophysiology and potential therapeutic applications in treating arrhythmia-related disorders. -
Potassium Channel Control
Dehydroindapamide targets potassium channels and is an indole derivative of Indapamide. This compound serves as an important tool for quantitatively assessing the turnover rate of Indapamide by the CYP3A4 enzyme, exhibiting a turnover rate approximately ten times higher than that of Indoline. Its enhanced affinity for CYP3A4 makes it a valuable reagent for research applications involving cardiac and vascular function regulation. -
Kv1.3 Blocker
Vm24-toxin (Vaejovis mexicanus peptide 24) selectively targets the Kv1.3 potassium channel, exhibiting a dissociation constant (Kd) of approximately 3 pM in lymphocytes. With over 1500-fold selectivity for Kv1.3 compared to other potassium channels, this 36-residue peptide adopts a unique cystine-stabilized α/β fold comprised of a single-turn α-helix and a three-stranded antiparallel β-sheet. Vm24-toxin effectively reduces the CD4+ effector memory T cell response following T cell receptor (TCR) stimulation, making it a valuable tool for immunological research and studies exploring T cell signaling pathways. -
Potassium Channel Modulator
SDZ PCO 400 is a potassium channel modulator that targets and regulates potassium channels, leading to relaxation of airway smooth muscle. It has demonstrated efficacy in reversing airway obstruction induced by intravenous bronchospasmodics. This compound is of interest in research applications related to respiratory physiology and the treatment of airway hyperresponsiveness. -
KCNT1 Inhibitor
KCNT1-IN-3 is a selective inhibitor of the potassium channel KCNT1, exhibiting an IC50 of 30 nM against wild-type human KCNT1. This compound is valuable for investigating the role of KCNT1 in epilepsy and related neurological conditions. Its potency allows for detailed studies into the modulation of ion channel activity and its implications in neuronal excitability. -
Sodium/Potassium Channel Blocker
α-Dendrotoxin is a peptide neurotoxin derived from the venom of the African green mamba (Dendroaspis angusticeps) that serves as a sodium/potassium channel blocker. It selectively inhibits KV1.1, KV1.2, KV1.6, and ASIC channels, leading to increased neuronal excitability by lowering the threshold for action potentials and enhancing their frequency. This compound is valuable for neurotoxicology research and the investigation of neuronal signaling pathways. -
Potassium Channel Blocker
L-735821 is a potassium channel blocker specifically targeting the KCNQ1 channel. It exhibits potent antagonistic activity with an EC50 of 0.08 μM, effectively influencing current-voltage relationships of IKs and IKr in rabbit ventricular myocytes. Additionally, L-735821 completely inhibits IKs in isolated human ventricular myocytes at a concentration of 100 nmol/L, demonstrating its efficacy in modulating cardiac ion currents. This compound is well-suited for research focused on cardiac electrophysiology and the role of potassium channels in cardiac function. -
K+ Channel Opener
P-1060 is a potassium channel opener that enhances potassium ion conductance across cellular membranes. It shows significant biological activity in promoting vasodilation and reducing vascular resistance, making it a valuable tool in cardiovascular research. P-1060 is utilized to investigate the mechanisms underlying cardiovascular diseases and to explore potential therapeutic strategies targeting ion channel dysfunction. -
Kv Channel Blocker
RuBi-4AP is a caged Kv channel blocker that incorporates a photolabile protecting group, enabling controlled activation with light. This unique characteristic allows for precise manipulation of its effects on neuronal excitability and synaptic transmission. RuBi-4AP is valuable for investigating signal propagation and understanding the dynamics of electrical signaling in neuronal networks. -
Stable Isotope
Ropivacaine-d7 hydrochloride is a deuterium-labeled derivative of Ropivacaine, primarily functioning as a potent sodium channel blocker. It inhibits sodium ion influx in nerve fibers, leading to reversible blockade of impulse conduction. Additionally, Ropivacaine acts as an inhibitor of the TREK-1 potassium channel, demonstrating an IC50 of 402.7 μM in COS-7 cell membranes. This reagent is valuable for research in neuropathic pain management and the study of ion channel dynamics. -
ROMK Inhibitor
VU590 dihydrochloride is a potent inhibitor of the renal outer medullary potassium channel (ROMK, Kir1.1) with an IC50 of 290 nM. It also exhibits inhibitory activity against Kir7.1, with an IC50 of 8 μM. This compound is valuable for research applications investigating potassium channel physiology and associated renal functions, although it may not be ideal for probing ROMK function specifically in kidney tissue. -
KV4.2/KV4.3 Channels Blocker
Phrixotoxin 2 is a selective blocker of KV4.2 and KV4.3 channels, known for its potent inhibitory effects. This compound is valuable in studying the physiological roles of these ion channels in neuronal excitability and cardiac function. Phrixotoxin 2 is instrumental in research applications related to neurobiology, cardiology, and studies involving ion channel modulation. -
Potassium Channel Activator
KR-31378 is a potassium channel activator that exhibits neuroprotective properties. Its pharmacokinetic profile demonstrates dose-dependent behavior, characterized by reduced clearance and effective oral absorption in rat models. This compound is important for studying neuroprotection mechanisms and evaluating the therapeutic potential of potassium channel modulation in neurological disorders. -
K+ Channel Inhibitor
Maurotoxin is a 34-residue peptide that acts as a potent inhibitor of potassium channels, specifically targeting Shaker potassium channels (ShB). With an IC50 value of 2 nM, Maurotoxin effectively attenuates K+ currents, making it a valuable tool for studying ion channel physiology and pharmacology. Its unique structure, characterized by four disulfide bridges, facilitates research into the mechanistic aspects of channel inhibition and potential therapeutic applications in neurobiology. -
Antiarrhythmic Agent
AZD7009 is a novel antiarrhythmic agent targeting hKv1.5 and hKv4.3/hKChIP2.2 potassium channels. It effectively inhibits these currents with IC50 values of 27.0 µM and 23.7 µM, respectively. This compound is useful in research focused on cardiac rhythm disorders and the mechanistic understanding of arrhythmogenesis. -
Potassium Channel Inhibitor
Kv1.5-IN-1 is a selective inhibitor of the Kv1.5 potassium channel, exhibiting an IC50 value of 0.51 μM in humanKv1.5 channels. The introduction of a methoxy group at the R5 position maintains its inhibitory potency while demonstrating enhanced selectivity—approximately 2,600-fold over compound Ik and 300-fold over compound IId. This high selectivity profile suggests a favorable safety margin, promoting further pharmacodynamic and pharmacokinetic studies. Kv1.5-IN-1 is promising for research into therapies targeting diseases associated with dysfunctional Kv1.5 channel activity. -
Kv1.1 Channel Blocker
Dendrotoxin K is a selective blocker of the Kv1.1 potassium channel, influencing neuronal excitability. It modulates glutamate release in CA3 neurons in a time-dependent manner by altering the presynaptic spike waveform, making it a valuable tool for studying synaptic transmission and neuronal signaling. This compound is useful for investigations into neuronal circuit dynamics and pathophysiological conditions involving ion channel function. -
Kv7.2 Potassium Channel Activator
E0714 is a selective activator of the Kv7.2 potassium channel, exhibiting EC50 values of 1.90 μM for homotetrameric Kv7.2 channels and 0.021 μM for heterotetrameric Kv7.2/7.3 channels. This compound effectively crosses the blood-brain barrier and demonstrates anticonvulsant properties. E0714 is suitable for research applications focused on epilepsy and related neurological disorders. -
Potassium Channel Inhibitor
Pandinotoxin Kα is a potent inhibitor of A-type potassium channels, derived from the venom of the Emperor scorpion (Pandinus imperator). This compound demonstrates significant biological activity by modulating ion channel function, making it a valuable tool for research in neurobiology and cardiovascular studies. Its inhibition of potassium channels has implications for understanding neuronal excitability and therapeutic interventions for channelopathies. -
Kv7.2/Kv7.3 Activator
Kv7.2/Kv7.3 activator-1 is a selective activator of Kv7.2 and Kv7.3 ion channels, demonstrating potent activity with an EC50 value of less than 1 µM. This compound is instrumental for investigating the role of these channels in neurological disorders and may provide valuable insights into therapeutic strategies for related diseases. Researchers may utilize Kv7.2/Kv7.3 activator-1 to better understand the modulation of neuronal excitability and synaptic transmission. -
Inward Rectifier K+ Channel Blocker
Tertiapin (reduced) is an inward rectifier K+ channel blocker that effectively inhibits potassium channel activity. Its unique structure, derived from the melittin synthesis, features critical disulfide bonds, enabling selective blockage of calcium-activated large conductance potassium channels. This reagent is valuable for research applications related to various neurological and inflammatory diseases, including rheumatoid arthritis and multiple sclerosis. -
Potassium Channel Activator
BRL 55834 is a potent activator of potassium channels. This compound demonstrates significant bronchodilator activity while having a minimal impact on reducing arterial blood pressure. Due to its unique properties, BRL 55834 is a promising candidate for research applications related to respiratory therapies and the modulation of vascular tone. -
Potassium Channel Agonist
SR 47063 is an ATP-sensitive potassium channel (KATP) agonist that selectively activates KATP channels in vascular smooth muscle cells, exhibiting an IC50 of 8.1 nM in human saphenous vein and 3.86 nM in rat aorta. By promoting potassium efflux and inducing cellular hyperpolarization, SR 47063 facilitates vasorelaxation. This compound is valuable for research into hypertension and associated cardiovascular disorders. -
Antiarrhythmic Agent
Dofetilide N-oxide is a metabolite of the class III antiarrhythmic agent Dofetilide, primarily targeting potassium channels. Its mechanism involves the inhibition of potassium ion movement, which plays a crucial role in the regulation of cardiac action potentials. This compound is utilized in research to study cardiac arrhythmias and the therapeutic potential of potassium channel blockers in managing cardiovascular diseases. -
TREK-1 Inhibitor
TWIK-1/TREK-1-IN-1 is an inhibitor of the TREK-1 potassium channel, a member of the two-pore domain potassium channel family. By targeting both TREK-1 homodimers and TWIK-1/TREK-1 heterodimers, it exhibits IC50 values of 9.36 μM and 14.6 μM, respectively. This compound is significant for research into antidepressant mechanisms, demonstrating potential antidepressant-like effects that warrant further investigation in neuropharmacology. -
Potassium Channel Inhibitor
L-691121 is a potent potassium channel inhibitor that demonstrates antiarrhythmic efficacy by blocking potassium channels, leading to a prolonged cardiac action potential. This compound is orally bioavailable and has been shown to induce embryotoxicity, with fetal mortality noted at a dosage of 0.8 mg/kg/day. Its biological activity makes L-691121 a valuable tool in the study of cardiac function and developmental toxicity. -
Potassium Channel Blocker
Chlorahololide D is a selective potassium channel blocker with an IC50 value of 2.7 μM. Derived from the whole plant of Chloranthus holostegius, this natural product exhibits significant biological activity in modulating potassium ion flow. It is valuable for research applications investigating ion channel physiology and the pharmacological modulation of excitability in various cell types. -
Potassium Channel
NS4591 is a modulator of calcium-activated potassium channels, specifically enhancing the activity of small conductance (SK) and intermediate conductance (IK) potassium channels. It significantly increases IK-mediated currents at approximately 45 nM and SK3-mediated currents at about 530 nM in whole-cell patch-clamp studies. NS4591 has been shown to inhibit action potentials induced by suprathreshold depolarizing pulses in acutely isolated bladder primary afferent neurons and reduces carbamylcholine-induced detrusor contraction in the rat bladder, indicating its sensitivity to apamin. This reagent is useful for studying the physiological roles of potassium channels in bladder function and neuronal excitability. -
Kv1.5 Potassium Channel Inhibitor
DDO-02001 is a moderately potent inhibitor of the Kv1.5 potassium channel, exhibiting an IC50 value of 17.7 μM. This compound is utilized in research focused on understanding anti-arrhythmic mechanisms and the modulation of cardiac excitability. Its selective inhibition of Kv1.5 channels positions DDO-02001 as a valuable tool in the study of cardiac arrhythmias and related therapeutic interventions. -
Potassium Channel Inhibitor
Meglitinide is an ATP-sensitive potassium (KATP) channel inhibitor that selectively targets the SUR1, SUR2A, and SUR2B subunits. It exhibits IC50 values of 0.26 μM, 0.53 μM, and 1.6 μM for these channels, respectively, and demonstrates strong binding affinity with Kd values of 7 μM for SUR1 and SUR2A, and 8 μM for SUR2B. Meglitinide effectively closes KATP channels by binding to a shared site across all SUR subtypes, maintaining its efficacy even with the SUR1 S1237Y mutation. This compound is valuable for research applications centered on type 2 diabetes and the modulation of insulin secretion. -
Potassium Channel
ZD0947 is an ATP-sensitive potassium channel activator that primarily targets smooth muscle KATP channels (SUR2B/Kir6.1 and SUR2B/Kir6.2). It is known to partially antagonize pancreatic KATP channels (SUR1/Kir6.2) and cardiac KATP channels (SUR2A/Kir6.2). This compound shows potential for research applications in inhibiting overactive bladder (OAB) and exploring potassium channel functions in various physiological and pathological processes. -
Peptidyl Inhibitor
Kaliotoxin is a peptidyl inhibitor that targets neuronal BK-Type channels. It specifically inhibits voltage-gated (Kv) channels and calcium-activated potassium channels, making it a valuable tool for studying the regulation of membrane potential and neuronal excitability. This compound is particularly useful in research exploring the mechanisms underlying neuronal signaling and potential therapeutic interventions in neurological disorders. -
Kv7.2/Kv7.3 Modulator
Kv7.2/Kv7.3 modulator-1 is an effective modulator of the Kv7.2 and Kv7.3 potassium channels, exhibiting a pEC50 of 7.96 for channel opening activity. This reagent plays a critical role in studying neurological conditions, including epilepsy, depression, brain injury, and pain mechanisms. Its ability to selectively influence these ion channels offers valuable insights into potential therapeutic strategies in the treatment of various neuropsychological disorders. -
Kv7 Potassium Activator
Kv7 activator-2 is a selective activator of Kv7 potassium channels. It enhances neuronal excitability and has demonstrated potential in the study of neurological disorders, especially epilepsy. This compound serves as a valuable tool for investigating the modulation of neuronal signaling and the therapeutic strategies targeting Kv7 channels in various neurological conditions. -
ROMK Inhibitor
ROMK-IN-32 is a selective inhibitor of the renal outer medullary potassium channel (ROMK), exhibiting an IC50 value of 35 nM. In addition to its primary activity, ROMK-IN-32 demonstrates inhibition of the hERG channel with an IC50 of 22 μM. This compound is valuable for research applications investigating potassium ion channel regulation, renal physiology, and potential implications in cardiac safety assessments. -
KCNQ2 Activator
QO-83 is a potent activator of the KCNQ2 (Kv7.2) voltage-gated potassium channel, exhibiting an EC50 of 0.56 μM. It binds to a specific hydrophobic pocket within the KCNQ2-CaM complex in its closed conformation, resulting in a negative shift in the voltage-dependent activation curve. This mechanism enhances the voltage sensitivity of KCNQ2 channels. QO-83 is a valuable tool for research into the mechanisms underlying epilepsy and related ion channel disorders. -
Potassium Channel Blocker
δ-Dendrotoxin is a potent potassium channel blocker derived from the venom of the black mamba snake. This compound is utilized in research focused on neurological diseases, aiding in the understanding of ion channel function and its implications in neuronal excitability. Its ability to modulate potassium channels makes it a valuable tool for investigating potential therapeutic targets in various neurological disorders. -
Potassium Channel Blocker
WAY-123223 is an orally active blocker of potassium channels, specifically targeting cardiac ion currents. This compound prolongs transmembrane action potential duration and the cardiac refractory period in canine Purkinje fibers, enhancing the ventricular fibrillation threshold and facilitating the restoration of sinus rhythm from ventricular fibrillation. WAY-123223 is valuable for researching cardiovascular diseases, particularly in the study of arrhythmias and their treatment.
