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Encenicline hydrochloride

Catalog No. T2285 CAS 550999-74-1

Synonyms: EVP-6124 (hydrochloride), EVP-6124 hydrochloride

Encenicline hydrochloride (EVP-6124 hydrochloride) is a new-type partial agonist of α7 neuronal nicotinic acetylcholine receptors (nAChRs).

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Encenicline hydrochloride Chemical Structure

Encenicline hydrochloride, CAS 550999-74-1

Pack Size	Availability	Price/USD
1 mg	In stock	$ 88.00
2 mg	In stock	$ 158.00
5 mg	In stock	$ 236.00
10 mg	In stock	$ 303.00
25 mg	In stock	$ 517.00
50 mg	In stock	$ 748.00
100 mg	In stock	$ 1,050.00
1 mL * 10 mM (in DMSO)	In stock	$ 236.00

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Purity: 99.85%

Purity: 98.73%

Biological Description

Chemical Properties

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Description	Encenicline hydrochloride (EVP-6124 hydrochloride) is a new-type partial agonist of α7 neuronal nicotinic acetylcholine receptors (nAChRs).
In vitro	EVP-6124 hydrochloride displaces [3H]-MLA (Methyllycaconitine) (Ki=9.98 nM, pIC50=7.65±0.06, n=3) and [125I]-α-bungarotoxin (Ki=4.33 nM, pIC50=8.07±0.04, n=3). EVP-6124 is approximately 300 fold more potent than the natural agonist ACh (Ki=3 μM), measured in binding assays using [3H]-MLA. EVP-6124 inhibits the 5-HT3 receptor by 51% at 10 nM, the lowest concentration tested. Evaluation of the human 5-HT2B receptor expressed in CHO cells demonstrates displacement of [3H]-mesulergine (Ki=14 nM) and only antagonist activity in the rat gastric fundus assay at an IC50 of 16 μM. In binding and functional experiments, EVP-6124 shows selectivity for α7 nAChRs and does not activate or inhibit heteromeric α4β2 nAChRs[1].
In vivo	EVP-6124 hydrochloride demonstrates effective brain penetration and sufficient exposure duration, showing significant memory restoration at a dose of 0.3 mg/kg orally in scopolamine-induced memory impairment in rats, measured by an object recognition task (ORT). When combined with donepezil at sub-efficacious doses (0.1 mg/kg, orally for donepezil and 0.03 mg/kg, orally for EVP-6124), full memory restoration is achieved, suggesting synergistic effects. In a 24-hour retention natural forgetting test, EVP-6124 at 0.3 mg/kg orally enhances memory, an effect inhibited by the selective α7 nAChR antagonist methyllycaconitine, validating the involvement of α7 nAChR in the mechanism of action. EVP-6124 binds to rat plasma proteins at a moderate level with a fractional unbound average of 11% and shows dose-proportional pharmacokinetics over a 0.1-30 mg/kg oral dose range. Peak times (Tmax) are recorded at 4 hours in plasma and 2 hours in the brain, with brain concentrations maintaining from 2 to 8 hours, and brain-to-plasma (B:P) ratios ranging from 1.7 to 5.1. Additionally, at a dose of 0.4 mg/kg intraperitoneally, EVP-6124 achieves peak brain concentration in 2 hours, maintaining effective levels for at least 4 hours, and notably increases NMDAR saturation index in wild-type mice without affecting wakefulness or locomotion.
Kinase Assay	Binding or activity of EVP-6124 is measured at 10 μM in a selectivity panel according to standard validated protocols under conditions defined by the contractor. For the 5-HT2A receptor binding assay, membranes are prepared from HEK293 cellsexpressing the human recombinant 5-HT2A receptor. For 5-HT2B and 5-HT2C receptor binding assays, membranes are prepared from CHO cells expressing the human recombinant 5-HT2B or 5-HT2C receptor. Affinity is determined by incubating different concentrations of EVP-6124 in binding buffer for 1 h. For 5-HT2A binding, the incubation is at 22°C in the presence of 0.5 nM [3H]-ketanserin; for 5-HT2B, at 22°C in the presence of 2 nM [3H]-mesulergine; and for 5-HT2C, at 37°C in the presence of 1 nM [3H]-mesulergine. Nonspecific binding is determined in the presence of 1 μM ketanserin, 10 μM mesulergine, or 10 μM RS-102221 for 5-HT2A, 5-HT2B, or 5-HT2C, respectively. All measurements are performed in triplicate. EVP-6124 is also tested in the 5-HT2B rat gastric fundus tissue response assay. Briefly, inhibition of α-methyl serotonin-induced contraction is isometrically measured. All measurements are performed in duplicate[1].

Synonyms	EVP-6124 (hydrochloride), EVP-6124 hydrochloride
Molecular Weight	357.3
Formula	C16H17ClN2OS·HCl
CAS No.	550999-74-1

Storage

Powder: -20°C for 3 years | In solvent: -80°C for 1 year

Solubility Information

DMSO: 10 mg/mL (27.99 mM)

References and Literature

1. Prickaerts, J., van Goethem, N., Chesworth, R., Shapiro, G., Boess, F., & Methfessel, C. et al. (2012). EVP-6124, a novel and selective α7 nicotinic acetylcholine receptor partial agonist, improves memory performance by potentiating the acetylcholine response of α7 nicotinic acetylcholine receptors. Neuropharmacology, 62(2), 1099-1110. doi: 10.1016/j.neuropharm.2011.10.024 2. Thomas Papouin, et al. Septal Cholinergic Neuromodulation Tunes the Astrocyte-Dependent Gating of Hippocampal NMDA Receptors to Wakefulness. Neuron. 2017 May 17;94:1-15.

Related compound libraries

This product is contained In the following compound libraries：

Drug Repurposing Compound Library Anti-Neurodegenerative Disease Compound Library Membrane Protein-targeted Compound Library Clinical Compound Library Bioactive Compound Library NO PAINS Compound Library Target-Focused Phenotypic Screening Library Bioactive Compounds Library Max Anti-Alzheimer's Disease Compound Library Neuronal Signaling Compound Library

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Keywords

Encenicline hydrochloride 550999-74-1 Neuroscience AChR Encenicline Hydrochloride Nicotinic acetylcholine receptors EVP 6124 EVP-6124 (hydrochloride) EVP-6124 EVP6124 EVP-6124 hydrochloride Encenicline inhibit EVP-6124 Hydrochloride nAChR Inhibitor EVP 6124 Hydrochloride EVP6124 Hydrochloride inhibitor

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