D-Kynurenine

Also known as: (R)-2-Amino-4-(2-aminophenyl)-4-oxobutanoic acid, D-2-Amino-4-(2-aminophenyl)-4-oxobutanoic acid, beta-Anthraniloyl-D-alanine, D-Kynurenine free base, β-Anthraniloyl-D-alanine

D-Kynurenine (CAS 13441-51-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C10H12N2O3 and a molecular weight of 208.214 g/mol. Key properties include a boiling point of 466.6±45.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 236.0±28.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 13441-51-5
Jingsj CID: J-13144-2
Molecular Formula: C₁₀H₁₂N₂O₃
Molecular Weight: 208.214 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	466.6±45.0 °C at 760 mmHg
Density	1.3±0.1 g/cm3
Flash Point	236.0±28.7 °C
Exact Mass	208.084793
PSA	106.41000
LogP	1.09
Vapor Pressure	0.0±1.2 mmHg at 25°C
Refractive Index	1.626

Activity & Biological Data

Target	Human Endogenous Metabolite
Additional Information	[1]. Wang XD, et al. A method for the determination of D-kynurenine in biological tissues. Anal Bioanal Chem. 2013 Dec;405(30):9747-54. [2]. Irukayama-Tomobe Y, et al. Aromatic D-amino acids act as chemoattractant factors for human leukocytes through a G protein-coupled receptor, GPR109B. Proc Natl Acad Sci U S A. 2009 Mar 10;106(10):3930-4. [3]. Kozaki A, et al. Fluorimetric assay for D-amino acid oxidase activity in rat brain homogenate by using D-kynurenine as a substrate. Biosci Trends. 2012 Oct;6(5):241-7. [4]. Duan Z, et al. Promoting epithelial-to-mesenchymal transition by D-kynurenine via activating aryl hydrocarbon receptor. Mol Cell Biochem. 2018 Nov;448(1-2):165-173.

Target

Human Endogenous Metabolite

Additional Information

[1]. Wang XD, et al. A method for the determination of D-kynurenine in biological tissues. Anal Bioanal Chem. 2013 Dec;405(30):9747-54. [2]. Irukayama-Tomobe Y, et al. Aromatic D-amino acids act as chemoattractant factors for human leukocytes through a G protein-coupled receptor, GPR109B. Proc Natl Acad Sci U S A. 2009 Mar 10;106(10):3930-4. [3]. Kozaki A, et al. Fluorimetric assay for D-amino acid oxidase activity in rat brain homogenate by using D-kynurenine as a substrate. Biosci Trends. 2012 Oct;6(5):241-7. [4]. Duan Z, et al. Promoting epithelial-to-mesenchymal transition by D-kynurenine via activating aryl hydrocarbon receptor. Mol Cell Biochem. 2018 Nov;448(1-2):165-173.

Customs & Trade Information

HS Code	2922509090
Summary	2922509090. other amino-alcohol-phenols, amino-acid-phenols and other amino-compounds with oxygen function. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of D-Kynurenine?

The CAS number of D-Kynurenine is 13441-51-5.

What are the molecular formula and molecular weight of D-Kynurenine?

D-Kynurenine has molecular formula C10H12N2O3 and molecular weight 208.214 g/mol.

What are the upstream and downstream products of D-Kynurenine?

For D-Kynurenine, Upstream Products: DL-Kynurenine, D-tryptophan.

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

Last updated: 8/21/2026

How to cite: Jingsj. "D-Kynurenine (CAS 13441-51-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-13144-2 (accessed 2026-11-09).

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