tolan

chemical compound
ChemicalSubstance type_of_chemical_entity Q902100
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tolan

Summary

tolan is a type of chemical entity[1]. tolan ranks in the top 6% of type_of_chemical_entity entities by monthly Wikipedia readership (33 views/month).[2]

Key Facts

  • tolan's instance of is recorded as type of chemical entity[3].
  • tolan's chemical structure is recorded as 1,2-diphenylethyne 200.svg[4].
  • tolan's CAS Registry Number is recorded as 501-65-5[5].
  • tolan's EC number is recorded as 207-926-6[6].
  • tolan's canonical SMILES is recorded as C1=CC=C(C=C1)C#CC2=CC=CC=C2[7].
  • tolan's InChI is recorded as InChI=1S/C14H10/c1-3-7-13(8-4-1)11-12-14-9-5-2-6-10-14/h1-10H[8].
  • tolan's InChIKey is recorded as JRXXLCKWQFKACW-UHFFFAOYSA-N[9].
  • tolan's chemical formula is recorded as C₁₄H₁₀[10].
  • tolan's subclass of is recorded as chemical compound[11].
  • tolan's Commons category is recorded as Diphenylacetylene[12].
  • tolan's has part is recorded as carbon[13].
  • tolan's has part is recorded as hydrogen[14].
  • tolan's ChEMBL ID is recorded as CHEMBL223309[15].
  • tolan's Freebase ID is recorded as /m/0g4287[16].
  • tolan's UNII is recorded as Y70JA8HB75[17].
  • tolan's ChemSpider ID is recorded as 9961[18].
  • tolan's PubChem CID is recorded as 10390[19].
  • tolan's ChEBI ID is recorded as 51579[20].
  • tolan's Reaxys registry number is recorded as 606478[21].
  • tolan's Human Metabolome Database ID is recorded as HMDB0251456[22].
  • tolan's mass is recorded as {'unit': 'Q483261', 'amount': '+178.078'}[23].
  • tolan's melting point is recorded as {'unit': 'Q25267', 'amount': '+60.0'}[24].
  • tolan's melting point is recorded as {'unit': 'Q25267', 'amount': '+62.5'}[25].
  • tolan's boiling point is recorded as {'unit': 'Q25267', 'amount': '+300'}[26].
  • tolan's ionization energy is recorded as {'unit': 'Q83327', 'amount': '+7.90'}[27].

Why It Matters

tolan ranks in the top 6% of type_of_chemical_entity entities by monthly Wikipedia readership (33 views/month).[2] tolan has Wikipedia articles in 13 language editions, a strong signal of global cultural recognition.[28] tolan is known by 11 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 . 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] . wikidata.org.
  12. [14] . wikidata.org.
  13. [15] . ChEMBL. Retrieved . wikidata.org.
  14. [16] . Freebase Data Dumps. wikidata.org.
  15. [17] . Global Substance Registration System. Retrieved . wikidata.org.
  16. [18] . Q2311683. Retrieved . wikidata.org.
  17. [19] . PubChem. Retrieved . wikidata.org.
  18. [20] . ChEMBL. Retrieved . wikidata.org.
  19. [21] . ChEBI. Retrieved . wikidata.org.
  20. [22] . wikidata.org.
  21. [23] . PubChem. Retrieved . wikidata.org.
  22. [24] . Jean-Claude Bradley Open Melting Point Dataset. wikidata.org.
  23. [25] . Basic laboratory and industrial chemicals: A CRC quick reference handbook. wikidata.org.
  24. [26] . Basic laboratory and industrial chemicals: A CRC quick reference handbook. wikidata.org.
  25. [27] . Basic laboratory and industrial chemicals: A CRC quick reference handbook. 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). tolan. Retrieved May 3, 2026, from https://4ort.xyz/entity/tolan
MLA “tolan.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/tolan.
BibTeX @misc{4ortxyz_tolan_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{tolan}}, year = {2026}, url = {https://4ort.xyz/entity/tolan}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): tolan — https://4ort.xyz/entity/tolan (retrieved 2026-05-03)

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