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MPEP (Hydrochloride)

MPEP Hydrochloride is a potent, selective, noncompetitive, orally active and systemically active mGlu5 receptor antagonist, with an IC50 of 36 nM for completely inhibiting quisqualate-stimulated phosphoinositide (PI) hydrolysis. MPEP Hydrochloride has anxiolytic-or antidepressant-like effects[1][2]. MPEP (Hydrochloride) is a click chemistry reagent, it contains an Alkyne group and can undergo copper-catalyzed azide-alkyne cycloaddition (CuAAc) with molecules containing Azide groups.

Product Specifications

CAS Number

219911-35-0

UNSPSC

12352005

Hazard Statement

H302, H315, H319, H335

Target

MGluR

Type

Reference compound

Related Pathways

GPCR/G Protein; Neuronal Signaling

Applications

Neuroscience-Neurodegeneration

Field of Research

Neurological Disease

Assay Protocol

https://www.medchemexpress.com/mpep-hydrochloride.html

Purity

99.82

Solubility

DMSO : 17.5 mg/mL (ultrasonic) |H2O : 25 mg/mL (ultrasonic; warming; heat to 80°C)

Smiles

CC1=NC(C#CC2=CC=CC=C2)=CC=C1.[H]Cl

Molecular Formula

C14H12ClN

Molecular Weight

229.70

Precautions

H302, H315, H319, H335

References & Citations

[1]F Gasparini, et al. 2-Methyl-6- (phenylethynyl) -pyridine (MPEP), a Potent, Selective and Systemically Active mGlu5 Receptor Antagonist. Neuropharmacology. 1999 Oct;38 (10) :1493-503.|[2]E Tatarczyńska, et al. Potential anxiolytic- and antidepressant-like effects of MPEP, a potent, selective and systemically active mGlu5 receptor antagonist. Br J Pharmacol. 2001 Apr;132 (7) :1423-30.

Shipping Conditions

Room Temperature

Storage Conditions

4°C (Powder, sealed storage, away from moisture)

Scientific Category

Reference compound1

Clinical Information

No Development Reported

Isoform

MGluR5

Citation 01

BioRxiv. 2024 November 03.|Epilepsy Res. 2021 Sep:175:106677.|Pharmacol Biochem Behav. 2023 Jun:227-228:173588.|SSRN. 2023 Apr 26.|Neurosci Lett. 2025 Mar 15:852:138193.|SSRN. 2025 Aug 27.

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