Molecular properties
- Formula
- C4H7NO
- Molar mass
- 85.11 g·mol−1
- Exact mass
- 85.0528 Da
- 2
- PubChem CID
- 12025
Molecule record
pyrrolidin-2-one
C4H7NO
85.11 g/mol
Loading structure
Functional groups
Alkane / alkyl carbon
Amide
Secondary amine
Physical properties
No source-backed physical properties are curated for this molecule yet.
Common names and synonyms
- 2-Ketopyrrolidine
- 2-Oxopyrrolidine
- 2-PYRROLIDONE
- 2-Pyrol
- 2-Pyrrolidinone
- 4-Aminobutyric acid lactam
- 616-45-5
- Butanoic acid, 4-amino-, lactam
Show all 24 synonyms
- Butyrolactam
- CHEBI:36592
- DTXCID707246
- DTXSID8027246
- FEMA NO. 4829
- KKL5D39EOL
- NSC-4593
- NSC-8413
- Pyrrolidon
- Pyrrolidone
- alpha-Pyrrolidinone
- alpha-Pyrrolidone
- gamma-Aminobutyric acid lactam
- gamma-Aminobutyric lactam
- gamma-Aminobutyrolactam
- gamma-Butyrolactam
Structure identifiers
- Canonical SMILES
- O=C1CCCN1
- Isomeric SMILES
- C1CC(=O)NC1
- InChI
- InChI=1S/C4H7NO/c6-4-2-1-3-5-4/h1-3H2,(H,5,6)
- InChIKey
- HNJBEVLQSNELDL-UHFFFAOYSA-N
- PubChem CID
- 12025
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 pyrrolidin-2-one; not experimental data.
Simulated EI mass spectrum
On-demand educational fragmentation for pyrrolidin-2-one; not experimental data.
Sources
Molecule identity
Retrieved 8/20/2026. Reuse status is summarized by the badge; open the source for full details.