Wikipedia:  

Kynurenic acid

Transtorine; 4-Hydroxyquinoline-2-carboxylic acid; Kynurenic acid; 4-Hydroxy-2-quinolinecarboxylic acid; 4-hydroxyquinoline-2-carboxylic acid; Kynurenate; Quinaldic acid, 4-hydroxy-; 2-Quinolinecarboxylic acid, 4-hydroxy-
Molecular Formula
C10 H7 N O3
Natural Isotopic Abundance Mass
189.16748
Mono-Isotopic Molecular Masses
C12N14:   189.0425930962
C13N14:   199.0761414742
C12N15:   190.0396279894
C13N15:   200.0731763674
Kynurenic acid image
Kynurenic acid
InCHi String:
InChI=1S/C10H7NO3/c12-9-5-8(10(13)14)11-7-4-2-1-3-6(7)9/h1-5H,(H,11,12)(H,13,14)

canonical and isomeric SMILES:
C1=CC=C2C(=C1)C(=O)C=C(N2)C(=O)O


PUBCHEM iupac NAME: PUBCHEM iupac OPENEYE NAME: PUBCHEM iupac CAS NAME: PUBCHEM iupac SYSTEMATIC NAME
4-oxo-1H-quinoline-2-carboxylic acid

PUBCHEM iupac TRADITIONAL NAME
4-keto-1H-quinoline-2-carboxylic acid



PubChem Substance (SID):   85165202   8144530   29222963
PubChem Compound (CID):   3845
KEGG: Compound ID   C01717
CAS Registry IDs:   13593-94-7   492-27-3
PDB Chemical Component   n/a
Miscellaneous Databases and IDs:   Sigma-Aldrich K3375_SIGMA   ChEBI CHEBI:18344   ChemBank Spectrum_001116   ChemIDplus 013593947   ChemSpider 3712   NIST 2824791844   R&D Chemicals UX00002048   ChemDB 7245607   NCGC NCGC00024505-01

Reference data were obtained primarily from the PubChem database.

Three dimensional molecular rendering uses Jmol.