p-toluenesulfonic acid

chemical compound
ChemicalSubstance type_of_chemical_entity Q285878
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p-toluenesulfonic acid

Summary

p-toluenesulfonic acid is a type of chemical entity[1]. It ranks in the top 5% of type_of_chemical_entity entities by monthly Wikipedia readership (229 views/month).[2]

Key Facts

  • p-toluenesulfonic acid's instance of is recorded as type of chemical entity[3].
  • p-toluenesulfonic acid's chemical structure is recorded as P-Toluenesulfonic acid structure.svg[4].
  • p-toluenesulfonic acid's CAS Registry Number is recorded as 104-15-4[5].
  • p-toluenesulfonic acid's EC number is recorded as 203-180-0[6].
  • p-toluenesulfonic acid's canonical SMILES is recorded as CC1=CC=C(C=C1)S(=O)(=O)O[7].
  • p-toluenesulfonic acid's InChI is recorded as InChI=1S/C7H8O3S/c1-6-2-4-7(5-3-6)11(8,9)10/h2-5H,1H3,(H,8,9,10)[8].
  • p-toluenesulfonic acid's InChIKey is recorded as JOXIMZWYDAKGHI-UHFFFAOYSA-N[9].
  • p-toluenesulfonic acid's chemical formula is recorded as C₇H₈O₃S[10].
  • p-toluenesulfonic acid's subclass of is recorded as benzenesulfonic acid[11].
  • p-toluenesulfonic acid's Commons category is recorded as 4-Toluenesulfonic acid[12].
  • p-toluenesulfonic acid's ChEMBL ID is recorded as CHEMBL541253[13].
  • p-toluenesulfonic acid's PDB structure ID is recorded as 3N6U[14].
  • p-toluenesulfonic acid's PDB structure ID is recorded as 1EST[15].
  • p-toluenesulfonic acid's PDB structure ID is recorded as 3FXU[16].
  • p-toluenesulfonic acid's PDB structure ID is recorded as 2CHA[17].
  • p-toluenesulfonic acid's PDB structure ID is recorded as 1WUW[18].
  • p-toluenesulfonic acid's PDB structure ID is recorded as 1B0D[19].
  • p-toluenesulfonic acid's Freebase ID is recorded as /m/0d7ws_[20].
  • p-toluenesulfonic acid's UNII is recorded as QGV5ZG5741[21].
  • p-toluenesulfonic acid's ChemSpider ID is recorded as 5876[22].
  • p-toluenesulfonic acid's PubChem CID is recorded as 6101[23].
  • p-toluenesulfonic acid's PubChem CID is recorded as 20307553[24].
  • p-toluenesulfonic acid's KEGG ID is recorded as C06677[25].
  • p-toluenesulfonic acid's ZVG number is recorded as 510754[26].
  • p-toluenesulfonic acid's ChEBI ID is recorded as 27849[27].

Why It Matters

p-toluenesulfonic acid ranks in the top 5% of type_of_chemical_entity entities by monthly Wikipedia readership (229 views/month).[2] It has Wikipedia articles in 21 language editions, a strong signal of global cultural recognition.[28] It is known by 37 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] . 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] . ChEMBL. Retrieved . wikidata.org.
  12. [14] . Protein Data Bank. Retrieved . wikidata.org.
  13. [15] . Protein Data Bank. 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] . Freebase Data Dumps. wikidata.org.
  19. [21] . Global Substance Registration System. Retrieved . wikidata.org.
  20. [22] . Q2311683. Retrieved . wikidata.org.
  21. [23] . PubChem. Retrieved . wikidata.org.
  22. [24] . wikidata.org.
  23. [25] . wikidata.org.
  24. [26] . wikidata.org.
  25. [27] . ChEMBL. Retrieved . 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). p-toluenesulfonic acid. Retrieved May 3, 2026, from https://4ort.xyz/entity/p-toluenesulfonic-acid
MLA “p-toluenesulfonic acid.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/p-toluenesulfonic-acid.
BibTeX @misc{4ortxyz_p-toluenesulfonic-acid_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{p-toluenesulfonic acid}}, year = {2026}, url = {https://4ort.xyz/entity/p-toluenesulfonic-acid}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): p-toluenesulfonic acid — https://4ort.xyz/entity/p-toluenesulfonic-acid (retrieved 2026-05-03)

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