Date published: 2026-6-4

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KCNQ2 Activators

The chemical class of KCNQ2 activators encompasses a diverse range of compounds that influence neuronal excitability and ion channel function, thereby potentially modulating KCNQ2 activity. These activators function indirectly by affecting the neuronal environment in which KCNQ2 operates, or in some cases, directly enhancing KCNQ2 channel activity. The primary mechanism through which these compounds exert their effects is through the modulation of ion channels and neuronal signaling pathways. Compounds like retigabine and flupirtine are notable for their direct activating effect on KCNQ2 channels, enhancing potassium efflux and contributing to neuronal hyperpolarization. This action reduces neuronal excitability, a crucial aspect in the management of conditions like epilepsy. These specific KCNQ2 activators are unique in their ability to directly bind to and modulate the activity of the KCNQ2 channels. In addition to these direct activators, other compounds in this class, such as phenytoin, carbamazepine, and lamotrigine, primarily act on other ion channels but may indirectly influence KCNQ2 channels. Their broader impact on neuronal excitability and ion channel modulation can lead to changes in KCNQ2 channel activity. Additionally, substances like magnesium, zinc, and omega-3 fatty acids influence neuronal function and membrane properties, potentially affecting KCNQ2 channel activity indirectly.
Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

ICA 069673

582323-16-8sc-362745
sc-362745A
10 mg
50 mg
$159.00
$645.00
(0)

ICA 069673 acts as a selective modulator of KCNQ2 channels, exhibiting unique binding characteristics that enhance channel stability. Its interaction profile is marked by specific electrostatic and van der Waals forces, which influence the conformational dynamics of the channel. The compound's kinetic behavior is notable, as it alters the activation and deactivation rates, thereby fine-tuning ion permeability. This specificity allows for precise manipulation of neuronal excitability without affecting other ion channels.

Flupirtine Maleate

75507-68-5sc-218512
10 mg
$103.00
1
(1)

Flupirtine, a relative of retigabine, is also thought to activate KCNQ2 channels. While its primary mechanism is not fully understood, its believed to enhance KCNQ2 channel activity, contributing to its analgesic properties.

Zinc

7440-66-6sc-213177
100 g
$48.00
(0)

Zinc modulates various ion channels, including potassium channels. While its direct effect on KCNQ2 is not fully established, its possible that zinc can influence KCNQ2 channel activity indirectly through its general ion channel modulating properties.

Bupivacaine hydrochloride

18010-40-7sc-252524
sc-252524A
sc-252524B
sc-252524C
1 g
5 g
50 g
100 g
$104.00
$171.00
$785.00
$1413.00
(0)

Bupivacaine is a local anesthetic known to block various ion channels. It may have an indirect modulatory effect on KCNQ2 channels as part of its broader ion channel-blocking profile, although this is not its primary action.

5,5-Diphenyl Hydantoin

57-41-0sc-210385
5 g
$70.00
(0)

Phenytoin, an anticonvulsant, affects sodium channels but may also have indirect effects on potassium channels like KCNQ2, contributing to its overall anticonvulsant properties.

Carbamazepine

298-46-4sc-202518
sc-202518A
1 g
5 g
$33.00
$71.00
5
(0)

Carbamazepine, primarily a sodium channel blocker, might influence KCNQ2 activity indirectly through its broader effects on neuronal excitability and ion channel modulation.

Amitriptyline Hydrochloride

549-18-8sc-210801
1 g
$200.00
(0)

Amitriptyline, an antidepressant, has complex actions on ion channels. Its indirect effects on KCNQ2 channels, while not clearly defined, may contribute to its overall pharmacological profile, particularly in modulating neuronal excitability.

Lamotrigine

84057-84-1sc-201079
sc-201079A
10 mg
50 mg
$120.00
$486.00
1
(1)

Lamotrigine, an anticonvulsant, primarily acts on sodium channels, but it may also affect KCNQ2 activity indirectly through its broader effects on neuronal excitability.

Citalopram, Hydrobromide Salt

59729-32-7sc-201123
sc-201123A
10 mg
50 mg
$110.00
$442.00
4
(1)

Citalopram, an SSRI antidepressant, can have broad effects on neuronal ion channels. Its potential indirect influence on KCNQ2 channels may be part of its overall effect on neuronal excitability, although this is not its primary mechanism of action.

Caffeine

58-08-2sc-202514
sc-202514A
sc-202514B
sc-202514C
sc-202514D
50 g
100 g
250 g
1 kg
5 kg
$33.00
$67.00
$97.00
$192.00
$775.00
13
(1)

Caffeine, a CNS stimulant, influences neuronal excitability. While its direct effect on KCNQ2 is not established, it may have an indirect modulatory effect on these channels as part of its broader impact on neuronal ion channels and signaling.