3.4-Pyridinedicarboxylic acid

• CAT Number: R070946
• CAS Number: 490-11-9
• Molecular Formula: C7H5NO4
• Molecular Weight: 167.12
• Purity: ≥95%
• Synonyms: Cinchomeronic acid
• Storage: RT
• IUPAC Name: pyridine-3,4-dicarboxylic acid
• InChI: InChI=1S/C7H5NO4/c9-6(10)4-1-2-8-3-5(4)7(11)12/h1-3H,(H,9,10)(H,11,12)
• InChIKey: MUYSADWCWFFZKR-UHFFFAOYSA-N
• SMILES: C1=CN=CC(=C1C(=O)O)C(=O)O

3,4-Pyridinedicarboxylic acid（Cat No.:R070946）, also known as quinolinic acid, is a heteroaromatic dicarboxylic acid with the molecular formula C7H5NO4. It consists of a pyridine ring substituted with carboxylic acid groups at the 3 and 4 positions. This compound is a key intermediate in the kynurenine pathway of tryptophan metabolism and is naturally present in biological systems. It has significant neurobiological relevance due to its activity as an excitotoxic agonist of the NMDA receptor. In addition to biochemical studies, it is used in coordination chemistry and as a precursor for pharmaceuticals and fine chemicals.