2H-pyran-2-one

chemical compound
ChemicalSubstance type_of_chemical_entity Q209475
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2H-pyran-2-one

Summary

2H-pyran-2-one is a type of chemical entity[1]. 2H-pyran-2-one ranks in the top 6% of type_of_chemical_entity entities by monthly Wikipedia readership (12 views/month).[2]

Key Facts

  • 2H-pyran-2-one's instance of is recorded as type of chemical entity[3].
  • 2H-pyran-2-one's chemical structure is recorded as 2H-pyran-2-one 200.svg[4].
  • 2H-pyran-2-one's CAS Registry Number is recorded as 504-31-4[5].
  • 2H-pyran-2-one's EC number is recorded as 207-990-5[6].
  • 2H-pyran-2-one's canonical SMILES is recorded as C1=CC(=O)OC=C1[7].
  • 2H-pyran-2-one's InChI is recorded as InChI=1S/C5H4O2/c6-5-3-1-2-4-7-5/h1-4H[8].
  • 2H-pyran-2-one's InChIKey is recorded as ZPSJGADGUYYRKE-UHFFFAOYSA-N[9].
  • 2H-pyran-2-one's chemical formula is recorded as C₅H₄O₂[10].
  • 2H-pyran-2-one's subclass of is recorded as pyran-2-one[11].
  • 2H-pyran-2-one's Commons category is recorded as 2-Pyrone[12].
  • 2H-pyran-2-one's has part is recorded as oxygen[13].
  • 2H-pyran-2-one's has part is recorded as carbon[14].
  • 2H-pyran-2-one's ChEMBL ID is recorded as CHEMBL1934663[15].
  • 2H-pyran-2-one's Freebase ID is recorded as /m/03h4dh3[16].
  • 2H-pyran-2-one's UNII is recorded as 8WW45I202V[17].
  • 2H-pyran-2-one's ChemSpider ID is recorded as 61462[18].
  • 2H-pyran-2-one's PubChem CID is recorded as 68154[19].
  • 2H-pyran-2-one's ChEBI ID is recorded as 37965[20].
  • 2H-pyran-2-one's found in taxon is recorded as Acaena microphylla[21].
  • 2H-pyran-2-one's found in taxon is recorded as Dryas octopetala[22].
  • 2H-pyran-2-one's found in taxon is recorded as Filipendula ulmaria[23].
  • 2H-pyran-2-one's found in taxon is recorded as Kerria japonica[24].
  • 2H-pyran-2-one's found in taxon is recorded as Neviusia alabamensis[25].
  • 2H-pyran-2-one's found in taxon is recorded as Rhodotypos scandens[26].
  • 2H-pyran-2-one's found in taxon is recorded as Sanguisorba canadensis[27].

Why It Matters

2H-pyran-2-one ranks in the top 6% of type_of_chemical_entity entities by monthly Wikipedia readership (12 views/month).[2] 2H-pyran-2-one has Wikipedia articles in 11 language editions, a strong signal of global cultural recognition.[28] 2H-pyran-2-one is known by 8 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] . 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] . ChEBI. Retrieved . wikidata.org.
  19. [21] . Isolation, characterization, and systematic significance of 2-pyrone-4,6-dicarboxylic acid in Rosaceae. wikidata.org.
  20. [22] . Isolation, characterization, and systematic significance of 2-pyrone-4,6-dicarboxylic acid in Rosaceae. wikidata.org.
  21. [23] . Isolation, characterization, and systematic significance of 2-pyrone-4,6-dicarboxylic acid in Rosaceae. wikidata.org.
  22. [24] . Isolation, characterization, and systematic significance of 2-pyrone-4,6-dicarboxylic acid in Rosaceae. wikidata.org.
  23. [25] . Isolation, characterization, and systematic significance of 2-pyrone-4,6-dicarboxylic acid in Rosaceae. wikidata.org.
  24. [26] . Isolation, characterization, and systematic significance of 2-pyrone-4,6-dicarboxylic acid in Rosaceae. wikidata.org.
  25. [27] . Isolation, characterization, and systematic significance of 2-pyrone-4,6-dicarboxylic acid in Rosaceae. 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). 2H-pyran-2-one. Retrieved May 3, 2026, from https://4ort.xyz/entity/2h-pyran-2-one
MLA “2H-pyran-2-one.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/2h-pyran-2-one.
BibTeX @misc{4ortxyz_2h-pyran-2-one_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{2H-pyran-2-one}}, year = {2026}, url = {https://4ort.xyz/entity/2h-pyran-2-one}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): 2H-pyran-2-one — https://4ort.xyz/entity/2h-pyran-2-one (retrieved 2026-05-03)

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