2-cyclopentenone

chemical compound
ChemicalSubstance type_of_chemical_entity Q2292678
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2-cyclopentenone

Summary

2-cyclopentenone is a type of chemical entity[1]. 2-cyclopentenone ranks in the top 6% of type_of_chemical_entity entities by monthly Wikipedia readership (24 views/month).[2]

Key Facts

  • 2-cyclopentenone's instance of is recorded as type of chemical entity[3].
  • 2-cyclopentenone's chemical structure is recorded as Cyclopentenone.png[4].
  • 2-cyclopentenone's CAS Registry Number is recorded as 930-30-3[5].
  • 2-cyclopentenone's EC number is recorded as 213-213-0[6].
  • 2-cyclopentenone's canonical SMILES is recorded as C1CC(=O)C=C1[7].
  • 2-cyclopentenone's InChI is recorded as InChI=1S/C5H6O/c6-5-3-1-2-4-5/h1,3H,2,4H2[8].
  • 2-cyclopentenone's InChIKey is recorded as BZKFMUIJRXWWQK-UHFFFAOYSA-N[9].
  • 2-cyclopentenone's chemical formula is recorded as C₅H₆O[10].
  • 2-cyclopentenone's subclass of is recorded as cyclopentenone[11].
  • 2-cyclopentenone's Commons category is recorded as 2-Cyclopenten-1-one[12].
  • 2-cyclopentenone's MeSH descriptor ID is recorded as C013905[13].
  • 2-cyclopentenone's has part is recorded as carbon[14].
  • 2-cyclopentenone's has part is recorded as oxygen[15].
  • 2-cyclopentenone's has part is recorded as hydrogen[16].
  • 2-cyclopentenone's ChEMBL ID is recorded as CHEMBL52190[17].
  • 2-cyclopentenone's Freebase ID is recorded as /m/0g5rl8r[18].
  • 2-cyclopentenone's UNII is recorded as Q0U2IGF9CK[19].
  • 2-cyclopentenone's ChemSpider ID is recorded as 12999[20].
  • 2-cyclopentenone's PubChem CID is recorded as 13588[21].
  • 2-cyclopentenone's ChEBI ID is recorded as 141550[22].
  • 2-cyclopentenone's found in taxon is recorded as Perilla frutescens[23].
  • 2-cyclopentenone's Human Metabolome Database ID is recorded as HMDB0245092[24].
  • 2-cyclopentenone's KNApSAcK ID is recorded as C00063415[25].
  • 2-cyclopentenone's mass is recorded as {'unit': 'Q483261', 'amount': '+82.042'}[26].
  • 2-cyclopentenone's ECHA Substance Infocard ID is recorded as 100.012.012[27].

Why It Matters

2-cyclopentenone ranks in the top 6% of type_of_chemical_entity entities by monthly Wikipedia readership (24 views/month).[2] 2-cyclopentenone has Wikipedia articles in 8 language editions, a strong signal of global cultural recognition.[28] 2-cyclopentenone is known by 3 alternative names across languages and contexts.[29]

References

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

Direct Wikidata claims

  1. [3] . wikidata.org.
  2. [4] . wikidata.org.
  3. [5] . Global Substance Registration System. Retrieved . commonchemistry.cas.org. Provenance: wikidata.org.
  4. [6] . Global Substance Registration System. Retrieved . wikidata.org.
  5. [7] . PubChem. Retrieved . wikidata.org.
  6. [8] . PubChem. Retrieved . wikidata.org.
  7. [9] . PubChem. Retrieved . wikidata.org.
  8. [10] . PubChem. Retrieved . wikidata.org.
  9. [11] . wikidata.org.
  10. [12] . wikidata.org.
  11. [13] . Medical Subject Headings. Retrieved . wikidata.org.
  12. [14] . wikidata.org.
  13. [15] . wikidata.org.
  14. [16] . wikidata.org.
  15. [17] . ChEMBL. Retrieved . wikidata.org.
  16. [18] . Freebase Data Dumps. wikidata.org.
  17. [19] . Global Substance Registration System. Retrieved . wikidata.org.
  18. [20] . Q2311683. Retrieved . wikidata.org.
  19. [21] . PubChem. Retrieved . wikidata.org.
  20. [22] . ChEBI release 2019-10-02. wikidata.org.
  21. [23] . Regional variation in components and antioxidant and antifungal activities of Perilla frutescens essential oils in China. wikidata.org.
  22. [24] . wikidata.org.
  23. [25] . wikidata.org.
  24. [26] . PubChem. Retrieved . wikidata.org.
  25. [27] . ECHA Substance Infocard database. Retrieved . wikidata.org.

Class ancestry

  1. [1] . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [28] . Wikidata sitelinks. wikidata.org.
  3. [29] . Wikidata aliases. 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-cyclopentenone. Retrieved May 3, 2026, from https://4ort.xyz/entity/2-cyclopentenone
MLA “2-cyclopentenone.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/2-cyclopentenone.
BibTeX @misc{4ortxyz_2-cyclopentenone_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{2-cyclopentenone}}, year = {2026}, url = {https://4ort.xyz/entity/2-cyclopentenone}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): 2-cyclopentenone — https://4ort.xyz/entity/2-cyclopentenone (retrieved 2026-05-03)

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