Molecular properties
- Formula
- C5H4OS
- Molar mass
- 112.15 g·mol−1
- Exact mass
- 111.9983 Da
- 4
- PubChem CID
- 7364
Molecule record
thiophene-2-carbaldehyde
C5H4OS
112.15 g/mol
Loading structure
Functional groups
Aldehyde
Physical properties
No source-backed physical properties are curated for this molecule yet.
Common names and synonyms
- .alpha.-Formylthiophene
- 2-FORMYLTHIOPHENE
- 2-Thenaldehyde
- 2-Thienaldehyde
- 2-Thienylaldehyde
- 2-Thienylcarboxaldehyde
- 2-Thiophenaldehyde
- 2-Thiophene carboxaldehyde
Show all 24 synonyms
- 2-Thiophenealdehyde
- 2-Thiophenecarbaldehyde
- 2-Thiophenecarboxaldehyde
- 2-thiophencarboxaldehyde
- 202-629-8
- 98-03-3
- DTXCID4031229
- DTXSID7052656
- IW05BB9XBM
- RefChem:483769
- Thenaldehyde
- Thiophene-2-aldehyde
- Thiophene-2-carboxaldehyde
- alpha-Formylthiophene
- alpha-Thiophenecarboxaldehyde
- formylthiophene
Structure identifiers
- Canonical SMILES
- O=Cc1cccs1
- Isomeric SMILES
- C1=CSC(=C1)C=O
- InChI
- InChI=1S/C5H4OS/c6-4-5-2-1-3-7-5/h1-4H
- InChIKey
- CNUDBTRUORMMPA-UHFFFAOYSA-N
- PubChem CID
- 7364
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-2-carbaldehyde; not experimental data.
Simulated EI mass spectrum
On-demand educational fragmentation for thiophene-2-carbaldehyde; not experimental data.
Sources
Molecule identity
Retrieved 8/20/2026. Reuse status is summarized by the badge; open the source for full details.