Molecular properties
- Formula
- C6H5NO3
- Molar mass
- 139.11 g·mol−1
- Exact mass
- 139.0269 Da
- 5
- PubChem CID
- 69113
Molecule record
4-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
- 210-197-7
- 3-Pyridinecarboxylic acid, 4-hydroxy-
- 4-Hydroxy-3-pyridinecarboxylic Acid Hydrochloride Salt
- 4-Hydroxy-3-pyridinecarboxylic acid
- 4-Hydroxy-nicotinic acid
- 4-Hydroxynicotinic Acid Hydrochloride
- 4-Hydroxynicotinic acid
- 4-Hydroxypyridine-3-carboxylic Acid; 4-Hydroxy-3-pyridinecarboxylic Acid Hydrochloride
Show all 24 synonyms
- 4-Hydroxypyridine-3-carboxylic acid
- 4-Oxo-1,4-dihydro-3-pyridinecarboxylic acid
- 4-oxo-1,4-dihydropyridine-3-carboxylic acid
- 4H3P cpd
- 609-70-1
- 72676-96-1
- AB00407914-09
- CS-0356770
- EINECS 210-197-7
- F1371-0219
- HMS2405E22
- IDI1_010722
- MFCD00040286
- Odhpca
- Oprea1_654715
- RefChem:523855
Structure identifiers
- Canonical SMILES
- O=C(O)c1c[nH]ccc1=O
- Isomeric SMILES
- C1=CNC=C(C1=O)C(=O)O
- InChI
- InChI=1S/C6H5NO3/c8-5-1-2-7-3-4(5)6(9)10/h1-3H,(H,7,8)(H,9,10)
- InChIKey
- CHCUBGPSZDGABM-UHFFFAOYSA-N
- PubChem CID
- 69113
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 4-oxo-1H-pyridine-3-carboxylic acid; not experimental data.
Simulated EI mass spectrum
On-demand educational fragmentation for 4-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.