2. Membrane Transporter/Ion Channel Neuronal Signaling
  3. iGluR
  4. 7-Chlorokynurenic acid sodium salt

7-Chlorokynurenic acid sodium salt  (Synonyms: 7-CKA sodium salt)

Cat. No.: HY-100811A Purity: 99.79%
COA Handling Instructions

Molarity Calculator

7-Chlorokynurenic acid sodium salt (7-CKA sodium salt) is a potent and selective antagonist of the glycine B coagonist site of the N-methyl-D-aspartate (NMDA) receptor (IC50=0.56 μM). 7-Chlorokynurenic acid sodium salt is also a potent inhibitor of the reuptake of glutamate into synaptic vesicles with a Ki of 0.59 μM. 7-Chlorokynurenic acid sodium salt has potent antinociceptive actions after neuraxial delivery.

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7-Chlorokynurenic acid sodium salt Chemical Structure

7-Chlorokynurenic acid sodium salt Chemical Structure

CAS No. : 1263094-00-3

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10 mM * 1 mL in DMSO
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Customer Review

Based on 1 publication(s) in Google Scholar

Other Forms of 7-Chlorokynurenic acid sodium salt:

7-Chlorokynurenic acid sodium salt Related Antibodies

Top Publications Citing Use of Products

1 Publications Citing Use of MCE 7-Chlorokynurenic acid sodium salt

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  • Purity & Documentation

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Description

7-Chlorokynurenic acid sodium salt (7-CKA sodium salt) is a potent and selective antagonist of the glycine B coagonist site of the N-methyl-D-aspartate (NMDA) receptor (IC50=0.56 μM). 7-Chlorokynurenic acid sodium salt is also a potent inhibitor of the reuptake of glutamate into synaptic vesicles with a Ki of 0.59 μM. 7-Chlorokynurenic acid sodium salt has potent antinociceptive actions after neuraxial delivery[1][2].

IC50 & Target

NMDA Receptor

 

In Vivo

Male Sprague-Dawley rats pretreated with 7-Chlorokynurenic acid sodium salt (10 nM) shows a significant retardation of development of both the electroencephalographic and motor (17.7±2.9 daily stimulations) components of the seizure response[3].

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

245.59

Formula

C10H5ClNNaO3
CAS No.
Appearance

Solid

Color

White to off-white

SMILES

O=C(C1=NC2=CC(Cl)=CC=C2C(O)=C1)O[Na]
Shipping

Room temperature in continental US; may vary elsewhere.
Storage

4°C, stored under nitrogen

*In solvent : -80°C, 6 months; -20°C, 1 month (stored under nitrogen)

Solvent & Solubility
In Vitro: 

H2O : 50 mg/mL (203.59 mM; Need ultrasonic)

DMSO : ≥ 33.67 mg/mL (137.10 mM; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)

*"≥" means soluble, but saturation unknown.

Preparing
Stock Solutions
Concentration Solvent Mass 1 mg 5 mg 10 mg
1 mM 4.0718 mL 20.3591 mL 40.7183 mL
5 mM 0.8144 mL 4.0718 mL 8.1437 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, 6 months; -20°C, 1 month (stored under nitrogen). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.

* Note: If you choose water as the stock solution, please dilute it to the working solution, then filter and sterilize it with a 0.22 μm filter before use.

  • Molarity Calculator

  • Dilution Calculator

Mass (g) = Concentration (mol/L) × Volume (L) × Molecular Weight (g/mol)

Mass
=
Concentration
×
Volume
×
Molecular Weight *

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

This equation is commonly abbreviated as: C1V1 = C2V2

Concentration (start)

C1

×
Volume (start)

V1

=
Concentration (final)

C2

×
Volume (final)

V2

In Vivo:

Select the appropriate dissolution method based on your experimental animal and administration route.

For the following dissolution methods, please ensure to first prepare a clear stock solution using an In Vitro approach and then sequentially add co-solvents:
To ensure reliable experimental results, the clarified stock solution can be appropriately stored based on storage conditions. As for the working solution for in vivo experiments, it is recommended to prepare freshly and use it on the same day.
The percentages shown for the solvents indicate their volumetric ratio in the final prepared solution. If precipitation or phase separation occurs during preparation, heat and/or sonication can be used to aid dissolution.

  • Protocol 1

    Add each solvent one by one:  10% DMSO    40% PEG300    5% Tween-80    45% Saline

    Solubility: ≥ 0.67 mg/mL (2.73 mM); Clear solution

    This protocol yields a clear solution of ≥ 0.67 mg/mL (saturation unknown).

    Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (6.7 mg/mL) to 400 μL PEG300, and mix evenly; then add 50 μL Tween-80 and mix evenly; then add 450 μL Saline to adjust the volume to 1 mL.

    Preparation of Saline: Dissolve 0.9 g sodium chloride in ddH₂O and dilute to 100 mL to obtain a clear Saline solution.
  • Protocol 2

    Add each solvent one by one:  10% DMSO    90% (20% SBE-β-CD in Saline)

    Solubility: ≥ 0.67 mg/mL (2.73 mM); Clear solution

    This protocol yields a clear solution of ≥ 0.67 mg/mL (saturation unknown).

    Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (6.7 mg/mL) to 900 μL 20% SBE-β-CD in Saline, and mix evenly.

    Preparation of 20% SBE-β-CD in Saline (4°C, storage for one week): 2 g SBE-β-CD powder is dissolved in 10 mL Saline, completely dissolve until clear.

For the following dissolution methods, please prepare the working solution directly. It is recommended to prepare fresh solutions and use them promptly within a short period of time.
The percentages shown for the solvents indicate their volumetric ratio in the final prepared solution. If precipitation or phase separation occurs during preparation, heat and/or sonication can be used to aid dissolution.

  • Protocol 1

    Add each solvent one by one:  PBS

    Solubility: 6.67 mg/mL (27.16 mM); Clear solution; Need ultrasonic and warming and heat to 60°C

In Vivo Dissolution Calculator
Please enter the basic information of animal experiments:

Dosage

mg/kg

Animal weight
(per animal)

g

Dosing volume
(per animal)

μL

Number of animals

Recommended: Prepare an additional quantity of animals to account for potential losses during experiments.
Calculation results:
Working solution concentration: mg/mL
This product has good water solubility, please refer to the measured solubility data in water/PBS/Saline for details.
The concentration of the stock solution you require exceeds the measured solubility. The following solution is for reference only.If necessary, please contact MedChemExpress (MCE).
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, 6 months; -20°C, 1 month (stored under nitrogen). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.

Optional Solvent Concentration Solvent Mass 1 mg 5 mg 10 mg 25 mg
DMSO / H2O 1 mM 4.0718 mL 20.3591 mL 40.7183 mL 101.7957 mL
5 mM 0.8144 mL 4.0718 mL 8.1437 mL 20.3591 mL
10 mM 0.4072 mL 2.0359 mL 4.0718 mL 10.1796 mL
15 mM 0.2715 mL 1.3573 mL 2.7146 mL 6.7864 mL
20 mM 0.2036 mL 1.0180 mL 2.0359 mL 5.0898 mL
25 mM 0.1629 mL 0.8144 mL 1.6287 mL 4.0718 mL
30 mM 0.1357 mL 0.6786 mL 1.3573 mL 3.3932 mL
40 mM 0.1018 mL 0.5090 mL 1.0180 mL 2.5449 mL
50 mM 0.0814 mL 0.4072 mL 0.8144 mL 2.0359 mL
60 mM 0.0679 mL 0.3393 mL 0.6786 mL 1.6966 mL
80 mM 0.0509 mL 0.2545 mL 0.5090 mL 1.2724 mL
100 mM 0.0407 mL 0.2036 mL 0.4072 mL 1.0180 mL

* Note: If you choose water as the stock solution, please dilute it to the working solution, then filter and sterilize it with a 0.22 μm filter before use.

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7-Chlorokynurenic acid sodium salt Related Classifications

Help & FAQs
  • 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.

Keywords:

7-Chlorokynurenic acid1263094-00-37-CKAiGluRIonotropic glutamate receptorsInhibitorinhibitorinhibit

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