ChemicalBook > CAS DataBase List > DL-KYNURENINE

DL-KYNURENINE

Product Name
DL-KYNURENINE
CAS No.
343-65-7
Chemical Name
DL-KYNURENINE
Synonyms
Kynurenin;Kynurenine;95.0% (NT);Quinurenine;DL-KYNURENINE;racKynurenine;α,2-DiaMino-γ-oxo;TIMTEC-BB SBB005347;3-Anthraniloylalanine;Tryptophan Impurity 48
CBNumber
CB5235360
Molecular Formula
C10H12N2O3
Formula Weight
208.22
MOL File
343-65-7.mol
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DL-KYNURENINE Property

Melting point:
~235 °C (dec.)
Boiling point:
347.41°C (rough estimate)
Density 
1.343±0.06 g/cm3 (20 ºC 760 Torr)
refractive index 
1.4830 (estimate)
storage temp. 
2-8°C
solubility 
Aqueous Acid (Slightly), Water (Slightly, Heated, Sonicated)
form 
Solid
pka
2.21±0.23(Predicted)
color 
Pale Yellow to Light Yellow
Merck 
13,5343
BRN 
2697333
CAS DataBase Reference
343-65-7(CAS DataBase Reference)
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Safety

WGK Germany 
3
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H302Harmful if swallowed

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
61250
Product name
DL-Kynurenine
Purity
≥95.0% (NT)
Packaging
250mg
Price
$148
Updated
2024/03/01
Sigma-Aldrich
Product number
61250
Product name
DL-Kynurenine
Purity
≥95.0% (NT)
Packaging
1g
Price
$561
Updated
2024/03/01
TRC
Product number
K661000
Product name
racKynurenine
Packaging
5mg
Price
$65
Updated
2021/12/16
Usbiological
Product number
015407
Product name
rac Kynurenine
Packaging
5mg
Price
$425
Updated
2021/12/16
AK Scientific
Product number
E791
Product name
DL-Kynurenine
Packaging
100mg
Price
$58
Updated
2021/12/16
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DL-KYNURENINE Chemical Properties,Usage,Production

Uses

vasodilator, immunomodulator

Uses

A tryptophan metabolite, is a precursor of kynurenic acid, which is an antagonist of N-methyl-aspartate receptor. An amino acid produced in the body from tryptophan.

Definition

ChEBI: A ketone that is alanine in which one of the methyl hydrogens is substituted by a 2-aminobenzoyl group.

Purification Methods

Crystallise it from H2O or aqueous AcOH. The picrate has m 188.5-189o(dec) after crystallisation from H2O. (±)-Kynurenine has m 218o. [Greenstein & Winitz The Chemistry of the Amino Acids J. Wiley, Vol 3 p2726 1961, Beilstein 14 III 1657, 14 IV 2562.]

DL-KYNURENINE Preparation Products And Raw materials

Raw materials

Preparation Products

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View Lastest Price from DL-KYNURENINE manufacturers

WUHAN FORTUNA CHEMICAL CO., LTD
Product
DL-Kynurenine 343-65-7
Price
US $0.00/G
Min. Order
1G
Purity
98%min
Supply Ability
30kg/month
Release date
2023-01-17

343-65-7, DL-KYNURENINERelated Search:

D-KYNURENINE 5-(1H-Indol-3-ylmethyl)imidazolidine-2,4-dione Methyl L-tryptophanate hydrochloride Tryptophan Impurity 3 2,4-Imidazolidinedione, 5-(1H-indol-3-ylmethyl)-, (5R)- Tryptophan Impurity 3 2-(4-hydroxy-1H-indol-3-yl)acetic acid L-KYNURENINE SULFATE HYDROXY-DL-KYNURENINE, 3-,3-HYDROXY-DL-KYNURENINE dl-kynurenine sulfate,DL-KYNURENINE SULFATE (SALT) MONOHYDRATE,DL-KYNURENINE SULFATE SALT Daptomycin DL-KYNURENINE L-KYNURENINE DL-Alanine 2-amino-4-(2-amino-3-hydroxy-phenyl)-4-oxo-butanoic acid DI-FMOC-2-AMINO-3-(2-AMINOBENZOYL)PROPIONIC ACID 3-HYDROXYKYNURENINE-O-B-GLUCOSIDE D-3-Hydroxykynurenine

  • TIMTEC-BB SBB005347
  • 2-Amino-4-(2-aminophenyl)-4-oxobutanoic acid
  • Alanine, 3-anthraniloyl-
  • Benzenebutanoic acid, alpha,2-diamino-gamma-oxo-
  • Kynurenin
  • Kynurenine
  • Quinurenine
  • 3-ANTHRANILOYL-DL-ALANINE
  • 2-AMINO-3-(2-AMINOBENZOYL)PROPIONIC ACID
  • 4-(2-aminophenyl)-2-ammonio-4-oxobutanoate
  • DL-2-AMINO-3-(2-AMINOBENZOYL)PROPIONIC ACID
  • DL-2-AMINO-4-(2-AMINOPHENYL)-4-OXOBUTANOIC ACID
  • DL-KYNURENINE
  • alpha-2-diamino-gamma-oxobenzenebutyric acid
  • DL-KYNURENINE, FREE BASE
  • 3-Anthraniloylalanine
  • a,2-Diamino--oxobenzenebutanoic Acid
  • racKynurenine
  • DL-Kynurenine >=95.0% (NT)
  • 2-Amino-3-(2-aminobenzoyl)propionic acid, 2-Amino-4-(2-aminophenyl)-4-oxobutyric acid
  • 3-[(2-Aminophenyl)carbony]-2-aminoproinic acid
  • 3-[(2-Aminophenyl)carbonyl]-2-aminopropionic acid
  • α,2-DiaMino-γ-oxo
  • rac Kynurenine-13C2,15N
  • Benzenebutanoic acid, a,2-diaMino-g-oxo-
  • Benzenebutanoic acid, α,2-diamino-γ-oxo-
  • Tryptophan Impurity 48
  • 95.0% (NT)
  • (2S)-2-amino-4-(2-aminophenyl)-4-oxobutanoic acid (kynurenine)
  • 343-65-7
  • H2NC6H4COCH2CHNH2COOH
  • Peptide Synthesis
  • Others
  • Specialty Synthesis
  • Unnatural Amino Acid Derivatives
  • Inhibitors
  • Various Metabolites and Impurities
  • Amino Acids
  • Intermediates & Fine Chemicals
  • Metabolites & Impurities
  • Pharmaceuticals