Date published: 2026-4-24

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CHRNB4 Activators

CHRNB4 Activators encompass a range of chemical compounds that directly or indirectly potentiate the functionality of CHRNB4, a subunit of nicotinic acetylcholine receptors (nAChRs). Nicotine, a well-known stimulant, binds directly to nAChRs containing CHRNB4, causing a conformational change that opens the ion channel, resulting in increased neuronal activity. Similarly, acetylcholine, the natural ligand for nAChRs, and its analogue carbamylcholine, directly interact with CHRNB4, leading to enhanced ion permeability and receptor activation. Varenicline, acting as a partial agonist, and cytisine provide controlled activation of CHRNB4-containing receptors, fine-tuning the receptor's response to stimulation. Epibatidine and lobeline, both plant-derived alkaloids, target these receptors as well, leading to an upsurge in receptor-mediated ion flow, while galantamine, by allosterically modulating the receptor, amplifies the effect of acetylcholine on CHRNB4, hence facilitating neurotransmission. Expanding the scope of CHRNB4 activators, Sazetidine-A and PNU-282987 specifically target nAChRs subtypes that include CHRNB4, acting as selective partial agonists to bolster their activity without overstimulation, which is crucial for maintaining the balance in neuronal signaling. Isoprenaline, albeit not directly interacting with CHRNB4, enhances the release of acetylcholine, thus indirectly amplifying CHRNB4 receptor activity. Coniine, albeit less selective, activates CHRNB4-containing nAChRs, contributing to increased neurotransmission. These activators, with their diverse modes of action, collectively synergize to enhance the functional activity of CHRNB4, playing a pivotal role in modulating synaptic transmission and neuronal communication without the need for increasing the protein's expression levels.

SEE ALSO...

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Cytisine

485-35-8sc-203015
sc-203015A
5 mg
25 mg
$56.00
$190.00
(0)

Cytisine acts as a potent agonist at nicotinic acetylcholine receptors, exhibiting a unique ability to mimic acetylcholine. Its structural features facilitate strong interactions with receptor subtypes, leading to distinct signaling cascades. The compound's rapid kinetics enable swift receptor activation, influencing neurotransmitter release. Additionally, its hydrophilic nature enhances solubility, affecting distribution and interaction with biological membranes, ultimately shaping its pharmacodynamic profile.

Pyrantel Pamoate

22204-24-6sc-205823
sc-205823A
5 g
10 g
$84.00
$136.00
(0)

Pyrantel Pamoate exhibits unique properties as a selective neuromuscular blocking agent, primarily through its action on nicotinic receptors in invertebrates. Its distinct molecular structure allows for effective binding, disrupting synaptic transmission. The compound's lipophilic characteristics enhance membrane permeability, facilitating rapid uptake. Furthermore, its dual salt form contributes to stability and solubility, influencing its reactivity and interaction with biological systems, thereby shaping its overall behavior.

(S)-Anabasine

494-52-0sc-212875
100 mg
$683.00
(0)

(S)-Anabasine is characterized by its chiral nature, which influences its interaction with nicotinic acetylcholine receptors, leading to selective modulation of neurotransmission. Its unique stereochemistry allows for specific binding affinities, impacting synaptic efficacy. The compound's hydrophobic regions enhance its ability to traverse lipid membranes, while its dynamic conformational flexibility may affect reaction kinetics and molecular interactions, contributing to its distinct biological behavior.

Galanthamine

357-70-0sc-218556
10 mg
$320.00
(0)

Galanthamine allosterically potentiates CHRNB4 receptor activity by binding to a modulatory site, enhancing acetylcholine's effect.

Carbachol

51-83-2sc-202092
sc-202092A
sc-202092C
sc-202092D
sc-202092B
sc-202092E
1 g
10 g
25 g
50 g
100 g
250 g
$122.00
$281.00
$388.00
$683.00
$1428.00
$3060.00
12
(2)

Carbachol mimics acetylcholine action at CHRNB4 receptors, inducing activation and increased ion permeability.

PNU-282,987

123464-89-1sc-200187
sc-200187A
10 mg
50 mg
$170.00
$576.00
3
(1)

PNU-282987 is a selective agonist for the alpha7 subtype of nicotinic acetylcholine receptors that also compose CHRNB4, leading to receptor activation.

Sazetidine A dihydrochloride

820231-95-6sc-203256
1 mg
$186.00
(0)

Sazetidine-A acts as a selective partial agonist at CHRNB4 subunit-containing receptors, increasing their activity.

Isoproterenol Hydrochloride

51-30-9sc-202188
sc-202188A
100 mg
500 mg
$28.00
$38.00
5
(0)

Isoproterenol Hydrochloride is a non-selective beta-adrenergic agonist that can facilitate the release of acetylcholine, indirectly enhancing CHRNB4 receptor activity.

(±)-Coniine

3238-60-6sc-252626B
sc-252626
sc-252626A
500 mg
1 g
5 g
$204.00
$316.00
$867.00
(1)

Coniine binds to nicotinic acetylcholine receptors including those with CHRNB4, causing stimulation and increased neurotransmission.