Molecular properties
- Formula
- C6H5NO3
- Molar mass
- 139.11 g·mol−1
- Exact mass
- 139.0269 Da
- 5
- PubChem CID
- 69114
Molecule record
2-oxo-1H-pyridine-3-carboxylic acid
C6H5NO3
139.11 g/mol
Loading structure
Functional groups
Aromatic ring
Carboxylic acid
Physical properties
No source-backed physical properties are curated for this molecule yet.
Common names and synonyms
- 1,2-Dihydro-2-oxo-3-pyridinecarboxylic acid
- 1,2-Dihydro-2-oxonicotinic acid
- 2-Hydroxy-3-pyridinecarboxylic Acid
- 2-Hydroxynicotinic acid
- 2-Hydroxypyridine-3-carboxylic acid
- 2-ODHPCA
- 2-hydroxy nicotinic acid
- 2-hydroxy-3-carboxypyridine
Show all 24 synonyms
- 2-oxo-1,2-dihydro-3-pyridinecarboxylic acid
- 2-oxo-1,2-dihydropyridine-3-carboxylic acid
- 210-198-2
- 3-Pyridinecarboxylic acid, 1,2-dihydro-2-oxo-
- 3-carboxy-2-pyridone
- 609-71-2
- 949734-25-2
- DTXCID70132226
- DTXSID20209735
- F2191-0002
- MFCD00010100
- NSC-226152
- RefChem:473477
- TMQ68Q9BA3
- UEYQJQVBUVAELZ-UHFFFAOYSA-
- UNII-TMQ68Q9BA3
Structure identifiers
- Canonical SMILES
- O=C(O)c1ccc[nH]c1=O
- Isomeric SMILES
- C1=CNC(=O)C(=C1)C(=O)O
- InChI
- InChI=1S/C6H5NO3/c8-5-4(6(9)10)2-1-3-7-5/h1-3H,(H,7,8)(H,9,10)
- InChIKey
- UEYQJQVBUVAELZ-UHFFFAOYSA-N
- PubChem CID
- 69114
Spectroscopy
Tabs appear only for spectra stored with clear provenance.
No redistributable or simulated spectroscopy record is attached yet.
Simulated NMR
On-demand educational prediction for 2-oxo-1H-pyridine-3-carboxylic acid; not experimental data.
Simulated EI mass spectrum
On-demand educational fragmentation for 2-oxo-1H-pyridine-3-carboxylic acid; not experimental data.
Sources
Molecule identity
Retrieved 8/20/2026. Reuse status is summarized by the badge; open the source for full details.