cyclopentene

chemical compound
ChemicalSubstance type_of_chemical_entity Q415233
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cyclopentene

Summary

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

Key Facts

  • cyclopentene's instance of is recorded as type of chemical entity[3].
  • cyclopentene's chemical structure is recorded as Cyclopentene-2D-skeletal.png[4].
  • cyclopentene's GND ID is recorded as 4148606-7[5].
  • cyclopentene's CAS Registry Number is recorded as 142-29-0[6].
  • cyclopentene's EC number is recorded as 205-532-9[7].
  • cyclopentene's canonical SMILES is recorded as C1CC=CC1[8].
  • cyclopentene's InChI is recorded as InChI=1S/C5H8/c1-2-4-5-3-1/h1-2H,3-5H2[9].
  • cyclopentene's InChIKey is recorded as LPIQUOYDBNQMRZ-UHFFFAOYSA-N[10].
  • cyclopentene's chemical formula is recorded as C₅H₈[11].
  • cyclopentene's subclass of is recorded as biogenic aliphatic hydrocarbon[12].
  • cyclopentene's Commons category is recorded as Cyclopentene[13].
  • cyclopentene's ChEMBL ID is recorded as CHEMBL1797299[14].
  • cyclopentene's Freebase ID is recorded as /m/07n2z5[15].
  • cyclopentene's UNII is recorded as ONM2CKV81Z[16].
  • cyclopentene's RTECS number is recorded as GY5950000[17].
  • cyclopentene's ChemSpider ID is recorded as 8544[18].
  • cyclopentene's PubChem CID is recorded as 8882[19].
  • cyclopentene's ZVG number is recorded as 15680[20].
  • cyclopentene's ChEBI ID is recorded as 49155[21].
  • cyclopentene's found in taxon is recorded as Trichoderma harzianum[22].
  • cyclopentene's topic's main category is recorded as Category:Cyclopentenes[23].
  • cyclopentene's Reaxys registry number is recorded as 635707[24].
  • cyclopentene's KNApSAcK ID is recorded as C00059892[25].
  • cyclopentene's mass is recorded as {'unit': 'Q483261', 'amount': '+68.063'}[26].
  • cyclopentene's melting point is recorded as {'unit': 'Q25267', 'amount': '-135.0'}[27].

Why It Matters

cyclopentene ranks in the top 6% of type_of_chemical_entity entities by monthly Wikipedia readership (24 views/month).[2] cyclopentene has Wikipedia articles in 21 language editions, a strong signal of global cultural recognition.[28] cyclopentene is known by 4 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] . wikidata.org.
  4. [6] . ChEBI. Retrieved . wikidata.org.
  5. [7] . Global Substance Registration System. Retrieved . wikidata.org.
  6. [8] . PubChem. Retrieved . wikidata.org.
  7. [9] . PubChem. Retrieved . wikidata.org.
  8. [10] . PubChem. Retrieved . wikidata.org.
  9. [11] . PubChem. Retrieved . wikidata.org.
  10. [12] . wikidata.org.
  11. [13] . wikidata.org.
  12. [14] . ChEMBL. Retrieved . wikidata.org.
  13. [15] . Freebase Data Dumps. wikidata.org.
  14. [16] . Global Substance Registration System. Retrieved . wikidata.org.
  15. [17] . wikidata.org.
  16. [18] . Q2311683. Retrieved . wikidata.org.
  17. [19] . PubChem. Retrieved . wikidata.org.
  18. [20] . wikidata.org.
  19. [21] . ChEBI. Retrieved . wikidata.org.
  20. [22] . MR566A and MR566B, New Melanin Synthesis Inhibitors Produced by Trichoderma harzianum. I. Taxonomy, Fermentation, Isolation and Biological Activities. wikidata.org.
  21. [23] . wikidata.org.
  22. [24] . ChEBI. Retrieved . wikidata.org.
  23. [25] . wikidata.org.
  24. [26] . PubChem. Retrieved . wikidata.org.
  25. [27] . Jean-Claude Bradley Open Melting Point Dataset. 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). cyclopentene. Retrieved May 3, 2026, from https://4ort.xyz/entity/cyclopentene
MLA “cyclopentene.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/cyclopentene.
BibTeX @misc{4ortxyz_cyclopentene_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{cyclopentene}}, year = {2026}, url = {https://4ort.xyz/entity/cyclopentene}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): cyclopentene — https://4ort.xyz/entity/cyclopentene (retrieved 2026-05-03)

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