Molecular properties
- Formula
- C5H4O2S
- Molar mass
- 128.15 g·mol−1
- Exact mass
- 127.9932 Da
- 4
- PubChem CID
- 6918
Molecule record
thiophene-3-carboxylic acid
C5H4O2S
128.15 g/mol
Loading structure
Functional groups
Carboxylic acid
Physical properties
No source-backed physical properties are curated for this molecule yet.
Common names and synonyms
- .beta.-Thiophenecarboxylic acid
- .beta.-Thiophenic acid
- 3-Carboxythiophene
- 3-THIOPHENE CARBOXYLIC ACID
- 3-Thenoic acid
- 3-Thienylcarboxylic acid
- 3-Thiophenecarboxylic acid
- 3-thienoic acid
Show all 24 synonyms
- 3-thiophencarboxylic acid
- 3-thiophenecarboxylic
- 3-thiophenezoic acid
- 6V3012Q6BE
- 88-13-1
- BRN 0001994
- CHEMBL164585
- EINECS 201-802-5
- MFCD00005467
- NSC-66314
- RefChem:95479
- Thiophene-3-formic acid
- UNII-6V3012Q6BE
- beta-Thiophenecarboxylic acid
- beta-Thiophenic acid
- thiophene-3-carboxylicacid
Structure identifiers
- Canonical SMILES
- O=C(O)c1ccsc1
- Isomeric SMILES
- C1=CSC=C1C(=O)O
- InChI
- InChI=1S/C5H4O2S/c6-5(7)4-1-2-8-3-4/h1-3H,(H,6,7)
- InChIKey
- YNVOMSDITJMNET-UHFFFAOYSA-N
- PubChem CID
- 6918
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 thiophene-3-carboxylic acid; not experimental data.
Simulated EI mass spectrum
On-demand educational fragmentation for thiophene-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.