Molecular properties
- Formula
- C9H7NO2
- Molar mass
- 161.16 g·mol−1
- Exact mass
- 161.0477 Da
- 7
- PubChem CID
- 72899
Molecule record
1H-indole-2-carboxylic acid
C9H7NO2
161.16 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
- 1477-50-5
- 1H-2-indolecarboxylic acid
- 1H-Indolecarboxylic acid
- 1H-indole-2-carboxylicacid
- 2-Carboxyindole
- 2-INDOLYLFORMIC ACID
- 2-Indolecarboxylate
- 2-Indolecarboxylic acid
Show all 24 synonyms
- 216-030-4
- CHEMBL278390
- DTXCID9086273
- DTXSID20163782
- EINECS 216-030-4
- EN300-16592
- Indol-2-Carboxylic Acid
- Indole-2-carboxylic acid
- KBio2_004533
- MFCD00005611
- NSC 16598
- RefChem:790959
- SMR000112260
- Spectrum_001485
- Z56347139
- carboxyindole
Structure identifiers
- Canonical SMILES
- O=C(O)c1cc2ccccc2[nH]1
- Isomeric SMILES
- C1=CC=C2C(=C1)C=C(N2)C(=O)O
- InChI
- InChI=1S/C9H7NO2/c11-9(12)8-5-6-3-1-2-4-7(6)10-8/h1-5,10H,(H,11,12)
- InChIKey
- HCUARRIEZVDMPT-UHFFFAOYSA-N
- PubChem CID
- 72899
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 1H-indole-2-carboxylic acid; not experimental data.
Simulated EI mass spectrum
On-demand educational fragmentation for 1H-indole-2-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.