cyclopentadiene

chemical compound
ChemicalSubstance type_of_chemical_entity Q424390
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cyclopentadiene

Summary

cyclopentadiene is a type of chemical entity[1]. cyclopentadiene ranks in the top 5% of type_of_chemical_entity entities by monthly Wikipedia readership (76 views/month).[2]

Key Facts

  • cyclopentadiene's image is recorded as AW Cyclopentadiene.jpg[3].
  • cyclopentadiene's instance of is recorded as type of chemical entity[4].
  • cyclopentadiene's chemical structure is recorded as Cyclopentadien.svg[5].
  • cyclopentadiene's CAS Registry Number is recorded as 542-92-7[6].
  • cyclopentadiene's EC number is recorded as 208-835-4[7].
  • cyclopentadiene's canonical SMILES is recorded as C1C=CC=C1[8].
  • cyclopentadiene's InChI is recorded as InChI=1S/C5H6/c1-2-4-5-3-1/h1-4H,5H2[9].
  • cyclopentadiene's InChIKey is recorded as ZSWFCLXCOIISFI-UHFFFAOYSA-N[10].
  • cyclopentadiene's chemical formula is recorded as C₅H₆[11].
  • cyclopentadiene's subclass of is recorded as monoprotic acid[12].
  • cyclopentadiene's subclass of is recorded as diene[13].
  • cyclopentadiene's subclass of is recorded as carbon acid[14].
  • cyclopentadiene's subclass of is recorded as cyclic compound[15].
  • cyclopentadiene's Commons category is recorded as Cyclopentadiene[16].
  • cyclopentadiene's has part is recorded as carbon[17].
  • cyclopentadiene's has part is recorded as hydrogen[18].
  • cyclopentadiene's ChEMBL ID is recorded as CHEMBL3188826[19].
  • cyclopentadiene's Freebase ID is recorded as /m/0gh8r[20].
  • cyclopentadiene's UNII is recorded as 5DFH9434HF[21].
  • cyclopentadiene's RTECS number is recorded as GY1000000[22].
  • cyclopentadiene's ChemSpider ID is recorded as 7330[23].
  • cyclopentadiene's PubChem CID is recorded as 7612[24].
  • cyclopentadiene's ZVG number is recorded as 30540[25].
  • cyclopentadiene's ChEBI ID is recorded as 30664[26].
  • cyclopentadiene's found in taxon is recorded as Cymbopogon citratus[27].

Why It Matters

cyclopentadiene ranks in the top 5% of type_of_chemical_entity entities by monthly Wikipedia readership (76 views/month).[2] cyclopentadiene has Wikipedia articles in 20 language editions, a strong signal of global cultural recognition.[28] cyclopentadiene is known by 33 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] . wikidata.org.
  13. [15] . wikidata.org.
  14. [16] . wikidata.org.
  15. [17] . wikidata.org.
  16. [18] . wikidata.org.
  17. [19] . ChEMBL. Retrieved . wikidata.org.
  18. [20] . wikidata.org.
  19. [21] . Global Substance Registration System. Retrieved . wikidata.org.
  20. [22] . wikidata.org.
  21. [23] . Q2311683. Retrieved . wikidata.org.
  22. [24] . PubChem. Retrieved . wikidata.org.
  23. [25] . wikidata.org.
  24. [26] . ChEBI. Retrieved . wikidata.org.
  25. [27] . GC-MS evaluation of Cymbopogon citratus (DC) Stapf oil obtained using modified hydrodistillation and microwave extraction methods. 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). cyclopentadiene. Retrieved May 3, 2026, from https://4ort.xyz/entity/cyclopentadiene
MLA “cyclopentadiene.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/cyclopentadiene.
BibTeX @misc{4ortxyz_cyclopentadiene_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{cyclopentadiene}}, year = {2026}, url = {https://4ort.xyz/entity/cyclopentadiene}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): cyclopentadiene — https://4ort.xyz/entity/cyclopentadiene (retrieved 2026-05-03)

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