2-pentyne

chemical compound
ChemicalSubstance type_of_chemical_entity Q10844269
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2-pentyne

Summary

2-pentyne is a type of chemical entity[1]. 2-pentyne ranks in the top 6% of type_of_chemical_entity entities by monthly Wikipedia readership (11 views/month).[2]

Key Facts

  • 2-pentyne's instance of is recorded as type of chemical entity[3].
  • 2-pentyne's chemical structure is recorded as 2-pentyne skeletal.svg[4].
  • 2-pentyne's CAS Registry Number is recorded as 627-21-4[5].
  • 2-pentyne's EC number is recorded as 210-989-2[6].
  • 2-pentyne's canonical SMILES is recorded as CCC#CC[7].
  • 2-pentyne's InChI is recorded as InChI=1S/C5H8/c1-3-5-4-2/h3H2,1-2H3[8].
  • 2-pentyne's InChIKey is recorded as NKTDTMONXHODTI-UHFFFAOYSA-N[9].
  • 2-pentyne's chemical formula is recorded as C₅H₈[10].
  • 2-pentyne's subclass of is recorded as pentyne[11].
  • 2-pentyne's Commons category is recorded as 2-Pentyne[12].
  • 2-pentyne's Freebase ID is recorded as /m/0524lqc[13].
  • 2-pentyne's UNII is recorded as 57NG6HKI9D[14].
  • 2-pentyne's ChemSpider ID is recorded as 11807[15].
  • 2-pentyne's PubChem CID is recorded as 12310[16].
  • 2-pentyne's mass is recorded as {'unit': 'Q483261', 'amount': '+68.062600256'}[17].
  • 2-pentyne's Nikkaji ID is recorded as J43.571F[18].
  • 2-pentyne's melting point is recorded as {'unit': 'Q25267', 'amount': '-109.0'}[19].
  • 2-pentyne's ECHA Substance Infocard ID is recorded as 100.009.991[20].
  • 2-pentyne's SureChEMBL ID is recorded as 2879982[21].
  • 2-pentyne's SureChEMBL ID is recorded as 1127543[22].
  • 2-pentyne's SureChEMBL ID is recorded as 23668[23].
  • 2-pentyne's SureChEMBL ID is recorded as 936061[24].
  • 2-pentyne's DSSTox substance ID is recorded as DTXSID80211758[25].
  • 2-pentyne's Microsoft Academic ID is recorded as 2777654162[26].
  • 2-pentyne's J-GLOBAL ID is recorded as 200907070148518775[27].

Why It Matters

2-pentyne ranks in the top 6% of type_of_chemical_entity entities by monthly Wikipedia readership (11 views/month).[2] 2-pentyne has Wikipedia articles in 13 language editions, a strong signal of global cultural recognition.[28] 2-pentyne is known by 12 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] . PubChem. 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] . wikidata.org.
  13. [15] . wikidata.org.
  14. [16] . wikidata.org.
  15. [17] . wikidata.org.
  16. [18] . wikidata.org.
  17. [19] . Jean-Claude Bradley Open Melting Point Dataset. wikidata.org.
  18. [20] . ECHA Substance Infocard database. Retrieved . wikidata.org.
  19. [21] . wikidata.org.
  20. [22] . wikidata.org.
  21. [23] . wikidata.org.
  22. [24] . wikidata.org.
  23. [25] . Mapping file of InChIStrings, InChIKeys and DTXSIDs for the EPA CompTox Dashboard. 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). 2-pentyne. Retrieved May 3, 2026, from https://4ort.xyz/entity/2-pentyne
MLA “2-pentyne.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/2-pentyne.
BibTeX @misc{4ortxyz_2-pentyne_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{2-pentyne}}, year = {2026}, url = {https://4ort.xyz/entity/2-pentyne}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): 2-pentyne — https://4ort.xyz/entity/2-pentyne (retrieved 2026-05-03)

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