prop-2-ynoic acid

chemical compound
ChemicalSubstance type_of_chemical_entity Q257590
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prop-2-ynoic acid

Summary

prop-2-ynoic acid is a type of chemical entity[1]. It ranks in the top 6% of type_of_chemical_entity entities by monthly Wikipedia readership (15 views/month).[2]

Key Facts

  • prop-2-ynoic acid's instance of is recorded as type of chemical entity[3].
  • prop-2-ynoic acid's chemical structure is recorded as Propiolic acid.png[4].
  • prop-2-ynoic acid's CAS Registry Number is recorded as 471-25-0[5].
  • prop-2-ynoic acid's EC number is recorded as 207-437-8[6].
  • prop-2-ynoic acid's canonical SMILES is recorded as C#CC(=O)O[7].
  • prop-2-ynoic acid's InChI is recorded as InChI=1S/C3H2O2/c1-2-3(4)5/h1H,(H,4,5)[8].
  • prop-2-ynoic acid's InChIKey is recorded as UORVCLMRJXCDCP-UHFFFAOYSA-N[9].
  • prop-2-ynoic acid's chemical formula is recorded as C₃H₂O₂[10].
  • prop-2-ynoic acid's subclass of is recorded as carboxylic acid[11].
  • prop-2-ynoic acid's subclass of is recorded as acetylenic compound[12].
  • prop-2-ynoic acid's Commons category is recorded as Propiolic acid[13].
  • prop-2-ynoic acid's ChEMBL ID is recorded as CHEMBL1213530[14].
  • prop-2-ynoic acid's Freebase ID is recorded as /m/08tkw4[15].
  • prop-2-ynoic acid's UNII is recorded as P2QW39G9LZ[16].
  • prop-2-ynoic acid's ChemSpider ID is recorded as 9706[17].
  • prop-2-ynoic acid's PubChem CID is recorded as 10110[18].
  • prop-2-ynoic acid's KEGG ID is recorded as C00804[19].
  • prop-2-ynoic acid's ChEBI ID is recorded as 33199[20].
  • prop-2-ynoic acid's Gran Enciclopèdia Catalana ID is recorded as 0134998[21].
  • prop-2-ynoic acid's described by source is recorded as Brockhaus and Efron Encyclopedic Dictionary[22].
  • prop-2-ynoic acid's described by source is recorded as Encyclopædia Britannica 11th edition[23].
  • prop-2-ynoic acid's Gmelin number is recorded as 81893[24].
  • prop-2-ynoic acid's Reaxys registry number is recorded as 878176[25].
  • prop-2-ynoic acid's Human Metabolome Database ID is recorded as HMDB0006804[26].
  • prop-2-ynoic acid's HSDB ID is recorded as 7857[27].

Why It Matters

prop-2-ynoic acid ranks in the top 6% of type_of_chemical_entity entities by monthly Wikipedia readership (15 views/month).[2] It has Wikipedia articles in 11 language editions, a strong signal of global cultural recognition.[28] It is known by 10 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] . Freebase Data Dumps. wikidata.org.
  14. [16] . wikidata.org.
  15. [17] . wikidata.org.
  16. [18] . wikidata.org.
  17. [19] . wikidata.org.
  18. [20] . ChEBI release 2019-10-02. wikidata.org.
  19. [21] . wikidata.org.
  20. [22] . wikidata.org.
  21. [23] . wikidata.org.
  22. [24] . wikidata.org.
  23. [25] . wikidata.org.
  24. [26] . wikidata.org.
  25. [27] . Hazardous Substances Data Bank. 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). prop-2-ynoic acid. Retrieved May 3, 2026, from https://4ort.xyz/entity/prop-2-ynoic-acid
MLA “prop-2-ynoic acid.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/prop-2-ynoic-acid.
BibTeX @misc{4ortxyz_prop-2-ynoic-acid_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{prop-2-ynoic acid}}, year = {2026}, url = {https://4ort.xyz/entity/prop-2-ynoic-acid}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): prop-2-ynoic acid — https://4ort.xyz/entity/prop-2-ynoic-acid (retrieved 2026-05-03)

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