1-pentyne

organic compound
ChemicalSubstance type_of_chemical_entity Q1047617
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1-pentyne

Summary

1-pentyne is a type of chemical entity[1]. 1-pentyne ranks in the top 6% of type_of_chemical_entity entities by monthly Wikipedia readership (20 views/month).[2]

Key Facts

  • 1-pentyne's instance of is recorded as type of chemical entity[3].
  • 1-pentyne's chemical structure is recorded as 1-pentyne.png[4].
  • 1-pentyne's CAS Registry Number is recorded as 627-19-0[5].
  • 1-pentyne's EC number is recorded as 210-987-1[6].
  • 1-pentyne's canonical SMILES is recorded as C#CCCC[7].
  • 1-pentyne's InChI is recorded as InChI=1S/C5H8/c1-3-5-4-2/h1H,4-5H2,2H3[8].
  • 1-pentyne's InChIKey is recorded as IBXNCJKFFQIKKY-UHFFFAOYSA-N[9].
  • 1-pentyne's chemical formula is recorded as C₅H₈[10].
  • 1-pentyne's subclass of is recorded as pentyne[11].
  • 1-pentyne's Commons category is recorded as 1-Pentyne[12].
  • 1-pentyne's ChEMBL ID is recorded as CHEMBL16262[13].
  • 1-pentyne's Freebase ID is recorded as /m/03gx_qc[14].
  • 1-pentyne's UNII is recorded as EW8XD8E5WF[15].
  • 1-pentyne's ChemSpider ID is recorded as 11806[16].
  • 1-pentyne's PubChem CID is recorded as 12309[17].
  • 1-pentyne's ZVG number is recorded as 493557[18].
  • 1-pentyne's mass is recorded as {'unit': 'Q483261', 'amount': '+68.062600256'}[19].
  • 1-pentyne's Nikkaji ID is recorded as J43.570H[20].
  • 1-pentyne's melting point is recorded as {'unit': 'Q25267', 'amount': '-106.0'}[21].
  • 1-pentyne's ECHA Substance Infocard ID is recorded as 100.009.989[22].
  • 1-pentyne's SureChEMBL ID is recorded as 56198[23].
  • 1-pentyne's SureChEMBL ID is recorded as 601576[24].
  • 1-pentyne's SureChEMBL ID is recorded as 9520774[25].
  • 1-pentyne's SureChEMBL ID is recorded as 1510184[26].
  • 1-pentyne's SureChEMBL ID is recorded as 593875[27].

Why It Matters

1-pentyne ranks in the top 6% of type_of_chemical_entity entities by monthly Wikipedia readership (20 views/month).[2] 1-pentyne has Wikipedia articles in 16 language editions, a strong signal of global cultural recognition.[28] 1-pentyne is known by 13 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] . CAS Common Chemistry. Retrieved . commonchemistry.cas.org. Provenance: wikidata.org.
  4. [6] . ECHA Substance Infocard database. Retrieved . wikidata.org.
  5. [7] . wikidata.org.
  6. [8] . PubChem. wikidata.org.
  7. [9] . PubChem. wikidata.org.
  8. [10] . PubChem. 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] . wikidata.org.
  15. [17] . wikidata.org.
  16. [18] . wikidata.org.
  17. [19] . wikidata.org.
  18. [20] . wikidata.org.
  19. [21] . Jean-Claude Bradley Open Melting Point Dataset. wikidata.org.
  20. [22] . ECHA Substance Infocard database. Retrieved . 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.
  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). 1-pentyne. Retrieved May 3, 2026, from https://4ort.xyz/entity/1-pentyne
MLA “1-pentyne.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/1-pentyne.
BibTeX @misc{4ortxyz_1-pentyne_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{1-pentyne}}, year = {2026}, url = {https://4ort.xyz/entity/1-pentyne}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): 1-pentyne — https://4ort.xyz/entity/1-pentyne (retrieved 2026-05-03)

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