pentamethylcyclopentadiene

chemical compound
ChemicalSubstance type_of_chemical_entity Q1927394
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pentamethylcyclopentadiene

Summary

pentamethylcyclopentadiene is a type of chemical entity[1]. pentamethylcyclopentadiene ranks in the top 6% of type_of_chemical_entity entities by monthly Wikipedia readership (16 views/month).[2]

Key Facts

  • pentamethylcyclopentadiene's instance of is recorded as type of chemical entity[3].
  • pentamethylcyclopentadiene's chemical structure is recorded as Pentamethylcyclopentadien.svg[4].
  • pentamethylcyclopentadiene's chemical structure is recorded as Struktur Pentamethylcyclopentadien.svg[5].
  • pentamethylcyclopentadiene's CAS Registry Number is recorded as 4045-44-7[6].
  • pentamethylcyclopentadiene's EC number is recorded as 223-743-4[7].
  • pentamethylcyclopentadiene's canonical SMILES is recorded as CC1C(=C(C(=C1C)C)C)C[8].
  • pentamethylcyclopentadiene's InChI is recorded as InChI=1S/C10H16/c1-6-7(2)9(4)10(5)8(6)3/h6H,1-5H3[9].
  • pentamethylcyclopentadiene's InChIKey is recorded as WQIQNKQYEUMPBM-UHFFFAOYSA-N[10].
  • pentamethylcyclopentadiene's chemical formula is recorded as C₁₀H₁₆[11].
  • pentamethylcyclopentadiene's subclass of is recorded as diene[12].
  • pentamethylcyclopentadiene's Commons category is recorded as Pentamethylcyclopentadiene[13].
  • pentamethylcyclopentadiene's has part is recorded as carbon[14].
  • pentamethylcyclopentadiene's has part is recorded as hydrogen[15].
  • pentamethylcyclopentadiene's Freebase ID is recorded as /m/0bpbdh[16].
  • pentamethylcyclopentadiene's UNII is recorded as DSE3MRZ77C[17].
  • pentamethylcyclopentadiene's ChemSpider ID is recorded as 70069[18].
  • pentamethylcyclopentadiene's PubChem CID is recorded as 77667[19].
  • pentamethylcyclopentadiene's mass is recorded as {'unit': 'Q483261', 'amount': '+136.125201'}[20].
  • pentamethylcyclopentadiene's Nikkaji ID is recorded as J217.859A[21].
  • pentamethylcyclopentadiene's ECHA Substance Infocard ID is recorded as 100.021.586[22].
  • pentamethylcyclopentadiene's NSC number is recorded as 222823[23].
  • pentamethylcyclopentadiene's SureChEMBL ID is recorded as 449043[24].
  • pentamethylcyclopentadiene's SureChEMBL ID is recorded as 525718[25].
  • pentamethylcyclopentadiene's DSSTox substance ID is recorded as DTXSID00193466[26].
  • pentamethylcyclopentadiene's Microsoft Academic ID is recorded as 2777005723[27].

Why It Matters

pentamethylcyclopentadiene ranks in the top 6% of type_of_chemical_entity entities by monthly Wikipedia readership (16 views/month).[2] pentamethylcyclopentadiene has Wikipedia articles in 12 language editions, a strong signal of global cultural recognition.[28] pentamethylcyclopentadiene is known by 12 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] . CAS Common Chemistry. Retrieved . commonchemistry.cas.org. Provenance: wikidata.org.
  5. [7] . 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] . Freebase Data Dumps. wikidata.org.
  15. [17] . wikidata.org.
  16. [18] . Q2311683. Retrieved . wikidata.org.
  17. [19] . PubChem. Retrieved . wikidata.org.
  18. [20] . PubChem. Retrieved . wikidata.org.
  19. [21] . wikidata.org.
  20. [22] . ECHA Substance Infocard database. Retrieved . wikidata.org.
  21. [23] . wikidata.org.
  22. [24] . wikidata.org.
  23. [25] . wikidata.org.
  24. [26] . Mapping file of InChIStrings, InChIKeys and DTXSIDs for the EPA CompTox Dashboard. 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). pentamethylcyclopentadiene. Retrieved May 3, 2026, from https://4ort.xyz/entity/pentamethylcyclopentadiene
MLA “pentamethylcyclopentadiene.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/pentamethylcyclopentadiene.
BibTeX @misc{4ortxyz_pentamethylcyclopentadiene_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{pentamethylcyclopentadiene}}, year = {2026}, url = {https://4ort.xyz/entity/pentamethylcyclopentadiene}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): pentamethylcyclopentadiene — https://4ort.xyz/entity/pentamethylcyclopentadiene (retrieved 2026-05-03)

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