1. GPCR/G Protein Neuronal Signaling
  2. mGluR
  3. E4CPG

E4CPG ((RS)-ECPG) is a Group I/Group II metabotropic glutamate receptor (mGluR) antagonist. E4CPG can inhibit the paired-pulse ratio of monosynaptic inhibitory postsynaptic currents (IPSC) potentiation.

For research use only. We do not sell to patients.

E4CPG Chemical Structure

E4CPG Chemical Structure

CAS No. : 170846-89-6

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Based on 1 publication(s) in Google Scholar

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Description

E4CPG ((RS)-ECPG) is a Group I/Group II metabotropic glutamate receptor (mGluR) antagonist. E4CPG can inhibit the paired-pulse ratio of monosynaptic inhibitory postsynaptic currents (IPSC) potentiation[1][2].

IC50 & Target[1]

mGluR

 

In Vitro

E4CPG acts at rat cortical mGluR with the KB value of 0.367 mM[3].

MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.

In Vivo

E4CPG (3-30 nmol/site (i.t.), 1-10 μmol/paw (i.pl.), and 1-10 nmol/site (i.c.v.)) significantly inhibits the nociception induced by the Glutamate-injection (i.pl.; 30 μmol/paw), and the maximal inhibition values for the antinociceptive action of E4CPG in Glutamate-induced nociception are 48% (i.pl.), 49% (i.t.) and 40% (i.c.v.) [4].
E4CPG (35 nM/3.5 μL, i.c.v.) completely blocks long-term depression (LTD) induced by the group I mGluR agonist Dihydroxyphenylglycine (DHPG, 100 nM/5 μL, i.c.v.) in male Sprague-Dawley rats[5].

MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.

Animal Model: Male Swiss mice (25-35 g)[4]
Dosage: 3-30 nmol/site (i.t.), 1-10 μmol/paw (i.pl.) and 1-10 nmol/ site (i.c.v.)
Administration: Single injection
Result: The maximal inhibition values for the antinociceptive action of E4CPG in glutamate-induced nociception were 48% (i.pl.), 49% (i.t.) and 40% (i.c.v.).
Animal Model: Male Sprague-Dawley rats[5]
Dosage: 35 nM/3.5 μL
Administration: Single injection, i.c.v.
Result: Completely blocked LTD induced by the group I mGluR agonist dihydroxyphenylglycine (DHPG).
Molecular Weight

223.23

Formula

C11H13NO4

CAS No.
Appearance

Solid

Color

White to off-white

SMILES

NC(C(O)=O)(CC)C1=CC=C(C(O)=O)C=C1

Shipping

Room temperature in continental US; may vary elsewhere.

Storage
Powder -20°C 3 years
4°C 2 years
In solvent -80°C 2 years
-20°C 1 year
Solvent & Solubility
In Vitro: 

DMSO : 10 mg/mL (44.80 mM; ultrasonic and adjust pH to 12 with NaOH; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)

Ethanol : < 1 mg/mL (insoluble)

H2O : < 0.1 mg/mL (insoluble)

Preparing
Stock Solutions
Concentration Solvent Mass 1 mg 5 mg 10 mg
1 mM 4.4797 mL 22.3984 mL 44.7968 mL
5 mM 0.8959 mL 4.4797 mL 8.9594 mL
View the Complete Stock Solution Preparation Table

* Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 2 years; -20°C, 1 year. When stored at -80°C, please use it within 2 years. When stored at -20°C, please use it within 1 year.

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In Vivo Dissolution Calculator
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Purity & Documentation
References

Complete Stock Solution Preparation Table

* Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 2 years; -20°C, 1 year. When stored at -80°C, please use it within 2 years. When stored at -20°C, please use it within 1 year.

Optional Solvent Concentration Solvent Mass 1 mg 5 mg 10 mg 25 mg
DMSO 1 mM 4.4797 mL 22.3984 mL 44.7968 mL 111.9921 mL
5 mM 0.8959 mL 4.4797 mL 8.9594 mL 22.3984 mL
10 mM 0.4480 mL 2.2398 mL 4.4797 mL 11.1992 mL
15 mM 0.2986 mL 1.4932 mL 2.9865 mL 7.4661 mL
20 mM 0.2240 mL 1.1199 mL 2.2398 mL 5.5996 mL
25 mM 0.1792 mL 0.8959 mL 1.7919 mL 4.4797 mL
30 mM 0.1493 mL 0.7466 mL 1.4932 mL 3.7331 mL
40 mM 0.1120 mL 0.5600 mL 1.1199 mL 2.7998 mL
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E4CPG Related Classifications

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  • Do most proteins show cross-species activity?

    Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

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Product Name:
E4CPG
Cat. No.:
HY-100372
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