pyridinium

cation
ChemicalSubstance type_of_chemical_entity Q2518436
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pyridinium

Summary

pyridinium is a type of chemical entity[1]. pyridinium ranks in the top 6% of type_of_chemical_entity entities by monthly Wikipedia readership (38 views/month).[2]

Key Facts

  • pyridinium's instance of is recorded as type of chemical entity[3].
  • pyridinium's CAS Registry Number is recorded as 16969-45-2[4].
  • pyridinium's canonical SMILES is recorded as C1=CC=[NH+]C=C1[5].
  • pyridinium's InChI is recorded as InChI=1S/C5H5N/c1-2-4-6-5-3-1/h1-5H/p+1[6].
  • pyridinium's InChIKey is recorded as JUJWROOIHBZHMG-UHFFFAOYSA-O[7].
  • pyridinium's chemical formula is recorded as C₅H₆N⁺[8].
  • pyridinium's subclass of is recorded as ammonium ion derivative[9].
  • pyridinium's subclass of is recorded as monocation[10].
  • pyridinium's has part is recorded as carbon[11].
  • pyridinium's has part is recorded as nitrogen[12].
  • pyridinium's has part is recorded as hydrogen[13].
  • pyridinium's Freebase ID is recorded as /m/02lbbn[14].
  • pyridinium's UNII is recorded as RNZ2DM8Q8K[15].
  • pyridinium's ChemSpider ID is recorded as 4169387[16].
  • pyridinium's PubChem CID is recorded as 4989215[17].
  • pyridinium's PubChem CID is recorded as 18471252[18].
  • pyridinium's topic's main category is recorded as Category:Pyridinium compounds[19].
  • pyridinium's mass is recorded as {'unit': 'Q483261', 'amount': '+80.050024'}[20].
  • pyridinium's SureChEMBL ID is recorded as 1599411[21].
  • pyridinium's DSSTox substance ID is recorded as DTXSID20407294[22].
  • pyridinium's conjugate base is recorded as pyridine[23].
  • pyridinium's Elhuyar ZTH ID is recorded as 029673[24].
  • pyridinium's Microsoft Academic ID is recorded as 2777221202[25].
  • pyridinium's image of molecular model or crystal lattice model is recorded as Pyridinium-3D-balls.png[26].
  • pyridinium's DSSTOX compound identifier is recorded as DTXCID70358146[27].

Why It Matters

pyridinium ranks in the top 6% of type_of_chemical_entity entities by monthly Wikipedia readership (38 views/month).[2] pyridinium has Wikipedia articles in 7 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] . CAS Common Chemistry. Retrieved . commonchemistry.cas.org. Provenance: wikidata.org.
  3. [5] . PubChem. Retrieved . wikidata.org.
  4. [6] . PubChem. Retrieved . wikidata.org.
  5. [7] . PubChem. Retrieved . wikidata.org.
  6. [8] . PubChem. Retrieved . wikidata.org.
  7. [9] . wikidata.org.
  8. [10] . wikidata.org.
  9. [11] . wikidata.org.
  10. [12] . wikidata.org.
  11. [13] . wikidata.org.
  12. [14] . Freebase Data Dumps. wikidata.org.
  13. [15] . wikidata.org.
  14. [16] . Q2311683. Retrieved . wikidata.org.
  15. [17] . PubChem. Retrieved . wikidata.org.
  16. [18] . wikidata.org.
  17. [19] . wikidata.org.
  18. [20] . PubChem. Retrieved . wikidata.org.
  19. [21] . wikidata.org.
  20. [22] . Mapping file of InChIStrings, InChIKeys and DTXSIDs for the EPA CompTox Dashboard. wikidata.org.
  21. [23] . wikidata.org.
  22. [24] . wikidata.org.
  23. [25] . wikidata.org.
  24. [26] . 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). pyridinium. Retrieved May 3, 2026, from https://4ort.xyz/entity/pyridinium
MLA “pyridinium.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/pyridinium.
BibTeX @misc{4ortxyz_pyridinium_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{pyridinium}}, year = {2026}, url = {https://4ort.xyz/entity/pyridinium}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): pyridinium — https://4ort.xyz/entity/pyridinium (retrieved 2026-05-03)

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