cyclooctatetraene

conjugated monocyclic hydrocarbon derivative of cyclooctane
ChemicalSubstance type_of_chemical_entity Q900926
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cyclooctatetraene

Summary

cyclooctatetraene is a type of chemical entity[1]. cyclooctatetraene ranks in the top 5% of type_of_chemical_entity entities by monthly Wikipedia readership (110 views/month).[2]

Key Facts

  • cyclooctatetraene's instance of is recorded as type of chemical entity[3].
  • cyclooctatetraene's chemical structure is recorded as Cyclooctatetraen.svg[4].
  • cyclooctatetraene's GND ID is recorded as 4148569-5[5].
  • cyclooctatetraene's CAS Registry Number is recorded as 629-20-9[6].
  • cyclooctatetraene's EC number is recorded as 211-080-3[7].
  • cyclooctatetraene's canonical SMILES is recorded as C1=CC=CC=CC=C1[8].
  • cyclooctatetraene's InChI is recorded as InChI=1S/C8H8/c1-2-4-6-8-7-5-3-1/h1-8H/b2-1-,3-1-,4-2-,5-3-,6-4-,7-5-,8-6-,8-7-[9].
  • cyclooctatetraene's InChIKey is recorded as KDUIUFJBNGTBMD-BONZMOEMSA-N[10].
  • cyclooctatetraene's chemical formula is recorded as C₈H₈[11].
  • cyclooctatetraene's subclass of is recorded as annulene[12].
  • cyclooctatetraene's NDL Authority ID is recorded as 00570979[13].
  • cyclooctatetraene's Commons category is recorded as Cyclooctatetraene[14].
  • cyclooctatetraene's has part is recorded as carbon[15].
  • cyclooctatetraene's has part is recorded as hydrogen[16].
  • cyclooctatetraene's Freebase ID is recorded as /m/075rq8[17].
  • cyclooctatetraene's UNII is recorded as AJ19R479CQ[18].
  • cyclooctatetraene's ChemSpider ID is recorded as 553448[19].
  • cyclooctatetraene's PubChem CID is recorded as 637866[20].
  • cyclooctatetraene's ChEBI ID is recorded as 47034[21].
  • cyclooctatetraene's Encyclopædia Britannica Online ID is recorded as science/cyclooctatetraene[22].
  • cyclooctatetraene's isomeric SMILES is recorded as C1=C/C=C\C=C/C=C\1[23].
  • cyclooctatetraene's mass is recorded as {'unit': 'Q483261', 'amount': '+104.062600256'}[24].
  • cyclooctatetraene's melting point is recorded as {'unit': 'Q25267', 'amount': '-5'}[25].
  • cyclooctatetraene's ECHA Substance Infocard ID is recorded as 100.010.074[26].
  • cyclooctatetraene's NSC number is recorded as 5093[27].

Why It Matters

cyclooctatetraene ranks in the top 5% of type_of_chemical_entity entities by monthly Wikipedia readership (110 views/month).[2] cyclooctatetraene has Wikipedia articles in 18 language editions, a strong signal of global cultural recognition.[28] cyclooctatetraene is known by 13 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] . wikidata.org.
  5. [7] . ECHA Substance Infocard database. Retrieved . wikidata.org.
  6. [8] . wikidata.org.
  7. [9] . Retrieved . wikidata.org.
  8. [10] . ChEBI release 2020-09-01. wikidata.org.
  9. [11] . PubChem. wikidata.org.
  10. [12] . wikidata.org.
  11. [13] . wikidata.org.
  12. [14] . wikidata.org.
  13. [15] . wikidata.org.
  14. [16] . wikidata.org.
  15. [17] . Freebase Data Dumps. wikidata.org.
  16. [18] . wikidata.org.
  17. [19] . wikidata.org.
  18. [20] . wikidata.org.
  19. [21] . wikidata.org.
  20. [22] . wikidata.org.
  21. [23] . wikidata.org.
  22. [24] . wikidata.org.
  23. [25] . Jean-Claude Bradley Open Melting Point Dataset. wikidata.org.
  24. [26] . ECHA Substance Infocard database. Retrieved . wikidata.org.
  25. [27] . 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). cyclooctatetraene. Retrieved May 3, 2026, from https://4ort.xyz/entity/cyclooctatetraene
MLA “cyclooctatetraene.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/cyclooctatetraene.
BibTeX @misc{4ortxyz_cyclooctatetraene_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{cyclooctatetraene}}, year = {2026}, url = {https://4ort.xyz/entity/cyclooctatetraene}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): cyclooctatetraene — https://4ort.xyz/entity/cyclooctatetraene (retrieved 2026-05-03)

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