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nickelocene

chemical compound
ChemicalSubstance type_of_chemical_entity Q418054
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nickelocene

Summary

nickelocene is a type of chemical entity[1]. nickelocene ranks in the top 6% of type_of_chemical_entity entities by monthly Wikipedia readership (54 views/month).[2]

Key Facts

  • nickelocene's instance of is recorded as type of chemical entity[3].
  • nickelocene's chemical structure is recorded as Nikkeloceen.png[4].
  • nickelocene's CAS Registry Number is recorded as 1271-28-9[5].
  • nickelocene's EC number is recorded as 215-039-0[6].
  • nickelocene's canonical SMILES is recorded as [CH-]1C=CC=C1.[CH-]1C=CC=C1.[Ni+2][7].
  • nickelocene's InChI is recorded as InChI=1S/2C5H5.Ni/c21-2-4-5-3-1;/h21-5H;/q2*-1;+2[8].
  • nickelocene's InChIKey is recorded as KZPXREABEBSAQM-UHFFFAOYSA-N[9].
  • nickelocene's chemical formula is recorded as C₁₀H₁₀Ni[10].
  • nickelocene's subclass of is recorded as chemical compound[11].
  • nickelocene's Commons category is recorded as Nickelocene[12].
  • nickelocene's has part is recorded as nickel[13].
  • nickelocene's has part is recorded as carbon[14].
  • nickelocene's has part is recorded as hydrogen[15].
  • nickelocene's Freebase ID is recorded as /m/05skwz[16].
  • nickelocene's UNII is recorded as JR8F745XV5[17].
  • nickelocene's RTECS number is recorded as QR6500000[18].
  • nickelocene's ChemSpider ID is recorded as 56178[19].
  • nickelocene's PubChem CID is recorded as 62390[20].
  • nickelocene's PubChem CID is recorded as 13628993[21].
  • nickelocene's ChEBI ID is recorded as 30679[22].
  • nickelocene's Gmelin number is recorded as 3412[23].
  • nickelocene's mass is recorded as {'unit': 'Q483261', 'amount': '+188.014'}[24].
  • nickelocene's ECHA Substance Infocard ID is recorded as 100.013.672[25].
  • nickelocene's subject has role is recorded as carcinogen[26].
  • nickelocene's SureChEMBL ID is recorded as 29499826[27].

Why It Matters

nickelocene ranks in the top 6% of type_of_chemical_entity entities by monthly Wikipedia readership (54 views/month).[2] nickelocene has Wikipedia articles in 14 language editions, a strong signal of global cultural recognition.[28]

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] ↑ . PubChem. Retrieved . wikidata.org.
  12. [14] ↑ . PubChem. Retrieved . wikidata.org.
  13. [15] ↑ . PubChem. Retrieved . wikidata.org.
  14. [16] ↑ . Freebase Data Dumps. wikidata.org.
  15. [17] ↑ . Global Substance Registration System. Retrieved . wikidata.org.
  16. [18] ↑ . wikidata.org.
  17. [19] ↑ . Q2311683. Retrieved . wikidata.org.
  18. [20] ↑ . PubChem. Retrieved . wikidata.org.
  19. [21] ↑ . wikidata.org.
  20. [22] ↑ . wikidata.org.
  21. [23] ↑ . wikidata.org.
  22. [24] ↑ . PubChem. Retrieved . wikidata.org.
  23. [25] ↑ . ECHA Substance Infocard database. Retrieved . wikidata.org.
  24. [26] ↑ . California Proposition 65 list of chemicals. Retrieved . oehha.ca.gov. Provenance: 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.

📑 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). nickelocene. Retrieved May 3, 2026, from https://4ort.xyz/entity/nickelocene
MLA “nickelocene.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/nickelocene.
BibTeX @misc{4ortxyz_nickelocene_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{nickelocene}}, year = {2026}, url = {https://4ort.xyz/entity/nickelocene}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): nickelocene — https://4ort.xyz/entity/nickelocene (retrieved 2026-05-03)

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