Molecular properties
- Formula
- C5H9NO
- Molar mass
- 99.13 g·mol−1
- Exact mass
- 99.0684 Da
- 2
- PubChem CID
- 13387
Molecule record
1-methylpyrrolidin-2-one
C5H9NO
99.13 g/mol
Loading structure
Functional groups
Alkane / alkyl carbon
Amide
Tertiary amine
Physical properties
No source-backed physical properties are curated for this molecule yet.
Common names and synonyms
- 1-METHYL-2-PYRROLIDINONE
- 1-Methyl-2-pyrrolidone
- 1-Methyl-5-pyrrolidinone
- 1-Methylazacyclopentan-2-one
- 1-Methylpyrrolidinone
- 1-Methylpyrrolidone
- 2-Pyrrolidinone, 1-methyl-
- 872-50-4
Show all 24 synonyms
- Agsolex 1
- DTXCID60856
- DTXSID6020856
- JR9CE63FPM
- Methyl pyrrolidone
- Methylpyrrolidone
- Microposit 2001
- N-Methyl-2-pyrrolidinone
- N-Methyl-2-pyrrolidone
- N-Methyl-alpha-pyrrolidinone
- N-Methyl-alpha-pyrrolidone
- N-Methyl-gamma-butyrolactam
- N-Methylpyrrolidinone
- N-Methylpyrrolidone
- NSC-4594
- n-methyl-pyrrolidone
Structure identifiers
- Canonical SMILES
- CN1CCCC1=O
- Isomeric SMILES
- CN1CCCC1=O
- InChI
- InChI=1S/C5H9NO/c1-6-4-2-3-5(6)7/h2-4H2,1H3
- InChIKey
- SECXISVLQFMRJM-UHFFFAOYSA-N
- PubChem CID
- 13387
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 1-methylpyrrolidin-2-one; not experimental data.
Simulated EI mass spectrum
On-demand educational fragmentation for 1-methylpyrrolidin-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.