Home › Entities › pyrrolidine alkaloid › 2-pyrrolidone

2-pyrrolidone

chemical compound
Class type of: pyrrolidine alkaloid Q285640

Facts

11 properties
Instance of
type of chemical entity
Subclass of
pyrrolidine alkaloid[4]
Boiling point
+245[16]
Canonical SMILES
C1CC(=O)NC1[2]
Chemical formula
C₄H₇NO[3]
Found in taxon
Rheum maximowiczii, Microtropis japonica, Capparis spinosa, tomato, Ascochyta medicaginicola[8][9][10][11][12]
Has part(s)
nitrogen, oxygen, carbon[5][6][7]
Ionization energy
+9.20[17]
Mass
+85.053[13]
Melting point
+24.0, +25[14][15]
Safety classification and labelling
NFPA 704: Standard System for the Identification of the Hazards of Materials for Emergency Response[18]
🏷️ Also known as
en N-Methyl-2-pyrrolidinone en Tetrahydropyrrolone en Pyrrolidone-2 en Pyrrolidone en Pyrrolidon en Pyrrolidinone en Pyrrolidin-2-one en 1-azacyclopentan-2-one en 1-Methyl-2-pyrrolidinone en 2-ketopyrrolidine en 2-oxopyrrolidine en 2-Pyrol4-aminobutyric acid lactam en 2-pyrrolidinone en 2-pyrrolidone en 2-Pyrrolidone-Butyrolactam en 2-Pyrrolidone for synthesis en 4-aminobutyric acid lactam en alpha-pyrrolidinone en alpha-pyrrolidone en Aminobutyric acid lactam
🔖 Identifiers · 36
GND ID
4311377-1
OpenAlex ID
C2909755757, C2777380983
CAS Registry Number
616-45-5
ChEBI ID
36592
ChEMBL ID
CHEMBL276849
ChemSpider ID
11530
DSSTOX compound identifier
DTXCID707246
DSSTox substance ID
DTXSID8027246
DrugBank ID
DB19152
EC number
210-483-1
ECHA Substance Infocard ID
100.009.531
Freebase ID
/m/0b4mkv
Show all 36 identifiers +24
Gmelin number
49671
HSDB ID
2652
Human Metabolome Database ID
HMDB0002039
ICSC ID
0562
InChI
InChI=1S/C4H7NO/c6-4-2-1-3-5-4/h1-3H2,(H,5,6)
InChIKey
HNJBEVLQSNELDL-UHFFFAOYSA-N
JSTOR topic ID (archived)
pyrrolidinones
KNApSAcK ID
C00038233
MassBank accession ID
MSBNK-Fac_Eng_Univ_Tokyo-JP010403, MSBNK-Fac_Eng_Univ_Tokyo-JP012058
Microsoft Academic ID (discontinued)
2777380983
NMRShiftDB structure ID
10008988
NSC number
4593, 8413
PDB ligand ID
BAQ
PDB structure ID
4IOQ
Probes And Drugs ID
PD078398
PubChem CID
12025
RTECS number
UY5715000
Reaxys registry number
105241
RxNorm CUI
1358473
SPLASH
splash10-001c-9000000000-7fd58ea01b9edb8fc097, splash10-0006-9000000000-6edec43d002984d510ff, splash10-000f-9000000000-7afd271c8dc78f370c0f, splash10-000i-9000000000-ac4fb667bd839cbe2147
SureChEMBL ID
2.4k (2.4k–11.2M, n=3)
UNII
KKL5D39EOL
UniChem compound ID
513444
ZVG number
490258

Report an error or request removal Lineage (PROV-JSON)

🔗 Connections
Found in taxon 4
tomato, Capparis spinosa, Rheum maximowiczii, Microtropis japonica
Has part(s) 3
oxygen, carbon, nitrogen
Press Enter · cited answer in seconds

Summary

2-pyrrolidone is a type of chemical entity[1].

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [2] ↑ . PubChem. Retrieved . wikidata.org.
  2. [3] ↑ . PubChem. Retrieved . wikidata.org.
  3. [4] ↑ . wikidata.org.
  4. [5] ↑ . wikidata.org.
  5. [6] ↑ . wikidata.org.
  6. [7] ↑ . wikidata.org.
  7. [8] ↑ . Indole Alkaloids from Hunteria zeylanica. wikidata.org.
  8. [9] ↑ . Dihydroagarofuranoid sesquiterpenes, a lignan derivative, a benzenoid, and antitubercular constituents from the stem of Microtropis japonica. wikidata.org.
  9. [10] ↑ . Nematicidal activity of 2-thiophenecarboxaldehyde and methylisothiocyanate from caper (Capparis spinosa) against Meloidogyne incognita. wikidata.org.
  10. [11] ↑ . Metabolite content of harvested Micro-Tom tomato (Solanum lycopersicum L.) fruit is altered by chilling and protective heat-shock treatments as shown by GC–MS metabolic profiling. wikidata.org.
  11. [12] ↑ . Time-course metabolic profiling in alfalfa leaves under Phoma medicaginis infection. wikidata.org.
  12. [13] ↑ . PubChem. Retrieved . wikidata.org.
  13. [14] ↑ . Jean-Claude Bradley Open Melting Point Dataset. wikidata.org.
  14. [15] ↑ . Basic laboratory and industrial chemicals: A CRC quick reference handbook. wikidata.org.
  15. [16] ↑ . Basic laboratory and industrial chemicals: A CRC quick reference handbook. wikidata.org.
  16. [17] ↑ . Basic laboratory and industrial chemicals: A CRC quick reference handbook. wikidata.org.
  17. [18] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). 2-pyrrolidone. Retrieved November 5, 2026, from https://4ort.xyz/entity/2-pyrrolidone
MLA “2-pyrrolidone.” 4ort.xyz Knowledge Graph, 4ort.xyz, 5 Nov. 2026, https://4ort.xyz/entity/2-pyrrolidone.
BibTeX @misc{4ortxyz_2-pyrrolidone_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{2-pyrrolidone}}, year = {2026}, url = {https://4ort.xyz/entity/2-pyrrolidone}, note = {Accessed: 2026-11-05}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): 2-pyrrolidone — https://4ort.xyz/entity/2-pyrrolidone (retrieved 2026-11-05)

Canonical URL: https://4ort.xyz/entity/2-pyrrolidone · Last refreshed:

Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 20w ago · Nabbegat · 2026-06-19 view diff on Wikidata ↗
    Has parts → —
    Instance of → type of chemical entity
    Safety classification and labelling → NFPA 704: Standard System for the Identification of the Hazards of Materials for Emergency Response
    Subclass of → —
    + 9 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update-languages-short:0||tr */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/37300|batch #37300]]"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.