tetramethylammonium

cation
ChemicalSubstance type_of_chemical_entity Q153485
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tetramethylammonium

Summary

tetramethylammonium is a type of chemical entity[1]. tetramethylammonium ranks in the top 6% of type_of_chemical_entity entities by monthly Wikipedia readership (53 views/month).[2]

Key Facts

  • tetramethylammonium's instance of is recorded as type of chemical entity[3].
  • tetramethylammonium's chemical structure is recorded as Tetramethylammonium cation.svg[4].
  • tetramethylammonium's CAS Registry Number is recorded as 51-92-3[5].
  • tetramethylammonium's canonical SMILES is recorded as CN+(C)CN+(C)C">[6].
  • tetramethylammonium's InChI is recorded as InChI=1S/C4H12N/c1-5(2,3)4/h1-4H3/q+1[7].
  • tetramethylammonium's InChIKey is recorded as QEMXHQIAXOOASZ-UHFFFAOYSA-N[8].
  • tetramethylammonium's chemical formula is recorded as C₄H₁₂N⁺[9].
  • tetramethylammonium's subclass of is recorded as quaternary ammonium cation[10].
  • tetramethylammonium's Commons category is recorded as Tetramethylammonium cation[11].
  • tetramethylammonium's MeSH descriptor ID is recorded as C027917[12].
  • tetramethylammonium's has part is recorded as methyl[13].
  • tetramethylammonium's has part is recorded as nitrogen[14].
  • tetramethylammonium's ChEMBL ID is recorded as CHEMBL46486[15].
  • tetramethylammonium's PDB structure ID is recorded as 5KGA[16].
  • tetramethylammonium's PDB structure ID is recorded as 1EK6[17].
  • tetramethylammonium's PDB structure ID is recorded as 5JRQ[18].
  • tetramethylammonium's PDB structure ID is recorded as 4YLQ[19].
  • tetramethylammonium's PDB structure ID is recorded as 1SW4[20].
  • tetramethylammonium's Freebase ID is recorded as /m/0nbv6s8[21].
  • tetramethylammonium's UNII is recorded as H0W55235FC[22].
  • tetramethylammonium's ChemSpider ID is recorded as 6140[23].
  • tetramethylammonium's PubChem CID is recorded as 6380[24].
  • tetramethylammonium's ChEBI ID is recorded as 46020[25].
  • tetramethylammonium's found in taxon is recorded as Maerua subcordata[26].
  • tetramethylammonium's DrugBank ID is recorded as DB03095[27].

Why It Matters

tetramethylammonium ranks in the top 6% of type_of_chemical_entity entities by monthly Wikipedia readership (53 views/month).[2] tetramethylammonium has Wikipedia articles in 6 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] . 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] . Medical Subject Headings. Retrieved . wikidata.org.
  11. [13] . wikidata.org.
  12. [14] . wikidata.org.
  13. [15] . ChEMBL. Retrieved . wikidata.org.
  14. [16] . Protein Data Bank. Retrieved . wikidata.org.
  15. [17] . Protein Data Bank. Retrieved . wikidata.org.
  16. [18] . Protein Data Bank. Retrieved . wikidata.org.
  17. [19] . Protein Data Bank. Retrieved . wikidata.org.
  18. [20] . Protein Data Bank. Retrieved . wikidata.org.
  19. [21] . wikidata.org.
  20. [22] . Global Substance Registration System. Retrieved . wikidata.org.
  21. [23] . Q2311683. Retrieved . wikidata.org.
  22. [24] . PubChem. Retrieved . wikidata.org.
  23. [25] . ChEMBL. Retrieved . wikidata.org.
  24. [26] . Preliminary chemical characterization of pharmacologically active compounds in aqueous plant extracts. 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). tetramethylammonium. Retrieved May 3, 2026, from https://4ort.xyz/entity/tetramethylammonium
MLA “tetramethylammonium.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/tetramethylammonium.
BibTeX @misc{4ortxyz_tetramethylammonium_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{tetramethylammonium}}, year = {2026}, url = {https://4ort.xyz/entity/tetramethylammonium}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): tetramethylammonium — https://4ort.xyz/entity/tetramethylammonium (retrieved 2026-05-03)

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Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 24d ago · Shuaib-bot bot · 2026-05-06 view diff on Wikidata ↗
    Has parts
    Instance of type of chemical entity
    Has part(s) methyl, nitrogen
    Subclass of quaternary ammonium cation
    + 6 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update:0| */"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.