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3,4-dihydro-2H-pyran

chemical compound
ChemicalSubstance type_of_chemical_entity Q419349
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Summary

3,4-dihydro-2H-pyran is a type of chemical entity[1]. 3,4-dihydro-2H-pyran ranks in the top 6% of type of chemical entity entities by monthly Wikipedia readership (327 views/month).[2]

Key Facts

  • Canonical SMILES: C1CC=COC1[3]
  • Chemical formula: C₅H₈O[4]
  • Subclass of: dihydropyran[5]
  • Commons category: 3,4-Dihydropyran[6]
  • Has part(s): oxygen[7], carbon[8]
  • Found in taxon: Gossypium hirsutum[9], tomato[10]
  • Described by source: 2,3-DIHYDROPYRAN[11]
  • Mass: 84.058[12]
  • Melting point: -70.0[13]

Why It Matters

3,4-dihydro-2H-pyran has Wikipedia articles in 12 language editions, a strong signal of global cultural recognition.[14] 3,4-dihydro-2H-pyran is known by 25 alternative names across languages and contexts.[15]

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] ↑ . wikidata.org.
  4. [6] ↑ . wikidata.org.
  5. [7] ↑ . wikidata.org.
  6. [8] ↑ . wikidata.org.
  7. [9] ↑ . wikidata.org.
  8. [10] ↑ . wikidata.org.
  9. [11] ↑ . wikidata.org.
  10. [12] ↑ . wikidata.org.
  11. [13] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [14] ↑ . Wikidata sitelinks. wikidata.org.
  3. [15] ↑ . 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). 3,4-dihydro-2H-pyran. Retrieved October 16, 2026, from https://4ort.xyz/entity/3-4-dihydro-2h-pyran
MLA “3,4-dihydro-2H-pyran.” 4ort.xyz Knowledge Graph, 4ort.xyz, 16 Oct. 2026, https://4ort.xyz/entity/3-4-dihydro-2h-pyran.
BibTeX @misc{4ortxyz_3-4-dihydro-2h-pyran_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{3,4-dihydro-2H-pyran}}, year = {2026}, url = {https://4ort.xyz/entity/3-4-dihydro-2h-pyran}, note = {Accessed: 2026-10-16}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): 3,4-dihydro-2H-pyran — https://4ort.xyz/entity/3-4-dihydro-2h-pyran (retrieved 2026-10-16)

Canonical URL: https://4ort.xyz/entity/3-4-dihydro-2h-pyran · Last refreshed:

Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 23d ago · KrBot bot · 2026-09-26 view diff on Wikidata ↗
    Zvg number → 71640
    "/* wbsetclaimvalue:1| */ Zvg number: 71640, см. / see [[Template:Autofix|autofix]] на / on [[Property talk:P679]]"
  2. 25d ago · Mrwdat3 · 2026-09-23 view diff on Wikidata ↗
    Zvg number → 71640
    "/* wbcreateclaim-create:1| */ Zvg number: 071640, [[:toollabs:quickstatements/#/batch/275042|batch #275042]]"
  3. 24w ago · KaleemBot bot · 2026-04-30 view diff on Wikidata ↗
    Subclass of → dihydropyran
    Found in taxon → Gossypium hirsutum, tomato
    Has part(s) → oxygen, carbon
    Mass → {'amount': '+84.058'}
    + 7 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update:0| */ Added [[wikipedia:ur:3,4-ڈائی ہائیڈرو پائران]]"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.