Skip to main content

7-Chlorokynurenic acid

Also known as: 7-Chloro-4-hydroxyquinoline-2-carboxylic acid, 7-CKA, 7-Cl-KYNA, 7-chloro-4-hydroxy-2-quinolinecarboxylic acid, 7-chloro-4-oxo-1H-quinoline-2-carboxylic acid

7-Chlorokynurenic acid (CAS 18000-24-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C10H6ClNO3 and a molecular weight of 223.61300 g/mol. Key properties include a boiling point of 395ºC at 760 mmHg, a density of 1.549 g/cm3 and a flash point of 192.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
18000-24-3
Jingsj CID
J-28091-1
Molecular Formula
C10H6ClNO3
Molecular Weight
223.61300 g/mol
Category
Organic Acids
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Boiling Point395ºC at 760 mmHg
Density1.549 g/cm3
Flash Point192.7ºC
Exact Mass223.00400
PSA70.42000
LogP2.29200
Vapor Pressure6E-07mmHg at 25°C
Refractive Index1.648
Storage ConditionsStore at RT
Additional Property0.1 M NaOH: 13.7 mg/mL

Activity & Biological Data

TargetN-methyl-D-aspartate receptor[1] Ki: 0.59 μM (reuptake of glutamate)[1]
Additional Information[1]. Kemp JA, et al. 7-Chlorokynurenic acid is a selective antagonist at the glycine modulatory site of the N-methyl-D-aspartate receptor complex. Proc Natl Acad Sci U S A. 1988 Sep;85(17):6547-50. [2]. Bartlett RD, et al. Substituted quinolines as inhibitors of L-glutamate transport into synaptic vesicles. Neuropharmacology. 1998 Jul;37(7):839-46.

Customs & Trade Information

HS Code2933499090
Summary2933499090. other compounds containing in the structure a quinoline or isoquinoline ring-system (whether or not hydrogenated), not further fused. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 7-Chlorokynurenic acid?

The CAS number of 7-Chlorokynurenic acid is 18000-24-3.

What are the molecular formula and molecular weight of 7-Chlorokynurenic acid?

7-Chlorokynurenic acid has molecular formula C10H6ClNO3 and molecular weight 223.61300 g/mol.

What are the upstream and downstream products of 7-Chlorokynurenic acid?

For 7-Chlorokynurenic acid, Upstream Products: 3-Chloroaniline; Downstream Products: 7-chloroquinolin-4-ol, 4,7-Dichloroquinoline, Methyl 7-chloro-4-hydroxyquinoline-2-carboxylate.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "7-Chlorokynurenic acid (CAS 18000-24-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-28091-1 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.