Date published: 2026-4-5

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MTEP hydrochloride (CAS 1186195-60-7)

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Alternate Names:
3-[2-(2-methyl-4-thiazolyl)ethynyl]-pyridine, monohydrochloride
Application:
MTEP hydrochloride is A potent and highly selective mGluR-5 antagonist
CAS Number:
1186195-60-7
Purity:
≥98%
Molecular Weight:
236.72
Molecular Formula:
C11H8N2S•HCl
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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MTEP hydrochloride is a non-competitive, potent and highly selective mGluR-5 antagonist. Group I metabotropic glutamate receptors are coupled to Gq/11 and are activators of phospholipase C. MTEP hydrochloride, an analog of the neurotransmitter glutamate, has been widely employed in in vitro experiments to investigate its cellular impact. Its effects on cell proliferation, apoptosis, gene expression, and signal transduction pathways have been examined using MTEP hydrochloride activation.


MTEP hydrochloride (CAS 1186195-60-7) References

  1. The antinociceptive and anxiolytic-like effects of the metabotropic glutamate receptor 5 (mGluR5) antagonists, MPEP and MTEP, and the mGluR1 antagonist, LY456236, in rodents: a comparison of efficacy and side-effect profiles.  |  Varty, GB., et al. 2005. Psychopharmacology (Berl). 179: 207-17. PMID: 15682298
  2. ADX47273 [S-(4-fluoro-phenyl)-{3-[3-(4-fluoro-phenyl)-[1,2,4]-oxadiazol-5-yl]-piperidin-1-yl}-methanone]: a novel metabotropic glutamate receptor 5-selective positive allosteric modulator with preclinical antipsychotic-like and procognitive activities.  |  Liu, F., et al. 2008. J Pharmacol Exp Ther. 327: 827-39. PMID: 18753411
  3. mGluR5 antagonism attenuates methamphetamine reinforcement and prevents reinstatement of methamphetamine-seeking behavior in rats.  |  Gass, JT., et al. 2009. Neuropsychopharmacology. 34: 820-33. PMID: 18800068
  4. Reduction of L-DOPA-induced dyskinesia by the selective metabotropic glutamate receptor 5 antagonist 3-[(2-methyl-1,3-thiazol-4-yl)ethynyl]pyridine in the 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine-lesioned macaque model of Parkinson's disease.  |  Johnston, TH., et al. 2010. J Pharmacol Exp Ther. 333: 865-73. PMID: 20231306
  5. Metabotropic glutamate receptor 5/Homer interactions underlie stress effects on fear.  |  Tronson, NC., et al. 2010. Biol Psychiatry. 68: 1007-15. PMID: 21075228
  6. The role of ventral and dorsal striatum mGluR5 in relapse to cocaine-seeking and extinction learning.  |  Knackstedt, LA., et al. 2014. Addict Biol. 19: 87-101. PMID: 23710649
  7. Prolonged administration of antidepressant drugs leads to increased binding of [(3)H]MPEP to mGlu5 receptors.  |  Nowak, G., et al. 2014. Neuropharmacology. 84: 46-51. PMID: 24796254
  8. mGluR5 in the nucleus accumbens is critical for promoting resilience to chronic stress.  |  Shin, S., et al. 2015. Nat Neurosci. 18: 1017-24. PMID: 26005851
  9. Preclinical Evaluation and Quantification of 18F-FPEB as a Radioligand for PET Imaging of the Metabotropic Glutamate Receptor 5.  |  de Laat, B., et al. 2015. J Nucl Med. 56: 1954-9. PMID: 26405172
  10. Group 1 metabotropic glutamate receptors trigger glutamate-induced intracellular Ca2+ signals and nitric oxide release in human brain microvascular endothelial cells.  |  Negri, S., et al. 2020. Cell Mol Life Sci. 77: 2235-2253. PMID: 31473770
  11. Sinoatrial node pacemaker cells share dominant biological properties with glutamatergic neurons.  |  Liang, D., et al. 2021. Protein Cell. 12: 545-556. PMID: 33548033
  12. mGluR5-Mediated eCB Signaling in the Nucleus Accumbens Controls Vulnerability to Depressive-Like Behaviors and Pain After Chronic Social Defeat Stress.  |  Xu, X., et al. 2021. Mol Neurobiol. 58: 4944-4958. PMID: 34227060
  13. Coordinated Regulation of CB1 Cannabinoid Receptors and Anandamide Metabolism Stabilizes Network Activity during Homeostatic Downscaling.  |  Ye, M., et al. 2022. eNeuro. 9: PMID: 36316118

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

MTEP hydrochloride, 5 mg

sc-361267
5 mg
$117.00

MTEP hydrochloride, 25 mg

sc-361267A
25 mg
$469.00