- Chemical Name:2H-Pyran-2-one
- CAS No.:504-31-4
- Molecular Formula:C5H4O2
- Molecular Weight:96.0856
- Hs Code.:29322090
- European Community (EC) Number:207-990-5
- UNII:8WW45I202V
- DSSTox Substance ID:DTXSID50198441
- Nikkaji Number:J6.216B
- Wikipedia:2-Pyrone
- Wikidata:Q209475
- Metabolomics Workbench ID:52207
- ChEMBL ID:CHEMBL1934663
- Mol file:504-31-4.mol
Synonyms:2-pyrone