pyrylium

organic cation
ChemicalSubstance type_of_chemical_entity Q2091193
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pyrylium

Summary

pyrylium is a type of chemical entity[1]. pyrylium ranks in the top 6% of type_of_chemical_entity entities by monthly Wikipedia readership (31 views/month).[2]

Key Facts

  • pyrylium's instance of is recorded as type of chemical entity[3].
  • pyrylium's chemical structure is recorded as Pyrylium.svg[4].
  • pyrylium's CAS Registry Number is recorded as 289-67-8[5].
  • pyrylium's canonical SMILES is recorded as C1=CC=[O+]C=C1[6].
  • pyrylium's InChI is recorded as InChI=1S/C5H5O/c1-2-4-6-5-3-1/h1-5H/q+1[7].
  • pyrylium's InChIKey is recorded as WVIICGIFSIBFOG-UHFFFAOYSA-N[8].
  • pyrylium's chemical formula is recorded as C₅H₅O⁺[9].
  • pyrylium's subclass of is recorded as organic cation[10].
  • pyrylium's subclass of is recorded as monocation[11].
  • pyrylium's subclass of is recorded as aromatic compound[12].
  • pyrylium's subclass of is recorded as oxonium[13].
  • pyrylium's subclass of is recorded as oxacycle[14].
  • pyrylium's Commons category is recorded as Pyrylium ion[15].
  • pyrylium's has part is recorded as oxygen[16].
  • pyrylium's has part is recorded as carbon[17].
  • pyrylium's has part is recorded as hydrogen[18].
  • pyrylium's Freebase ID is recorded as /m/0bpf87[19].
  • pyrylium's ChemSpider ID is recorded as 7827742[20].
  • pyrylium's PubChem CID is recorded as 9548819[21].
  • pyrylium's ChEBI ID is recorded as 36120[22].
  • pyrylium's Encyclopædia Britannica Online ID is recorded as science/pyrylium[23].
  • pyrylium's Gmelin number is recorded as 558560[24].
  • pyrylium's Reaxys registry number is recorded as 1421881[25].
  • pyrylium's mass is recorded as {'unit': 'Q483261', 'amount': '+81.03404'}[26].
  • pyrylium's SureChEMBL ID is recorded as 2784088[27].

Why It Matters

pyrylium ranks in the top 6% of type_of_chemical_entity entities by monthly Wikipedia readership (31 views/month).[2] pyrylium has Wikipedia articles in 7 language editions, a strong signal of global cultural recognition.[28] pyrylium 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] . ChEBI. Retrieved . commonchemistry.cas.org. Provenance: wikidata.org.
  4. [6] . PubChem. Retrieved . wikidata.org.
  5. [7] . PubChem. Retrieved . wikidata.org.
  6. [8] . PubChem. Retrieved . wikidata.org.
  7. [9] . PubChem. Retrieved . wikidata.org.
  8. [10] . wikidata.org.
  9. [11] . 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] . Freebase Data Dumps. wikidata.org.
  18. [20] . Q2311683. Retrieved . wikidata.org.
  19. [21] . PubChem. Retrieved . wikidata.org.
  20. [22] . ChEBI. Retrieved . wikidata.org.
  21. [23] . wikidata.org.
  22. [24] . wikidata.org.
  23. [25] . ChEBI. Retrieved . wikidata.org.
  24. [26] . PubChem. 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). pyrylium. Retrieved May 3, 2026, from https://4ort.xyz/entity/pyrylium
MLA “pyrylium.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/pyrylium.
BibTeX @misc{4ortxyz_pyrylium_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{pyrylium}}, year = {2026}, url = {https://4ort.xyz/entity/pyrylium}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): pyrylium — https://4ort.xyz/entity/pyrylium (retrieved 2026-05-03)

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