1,3-indandione

chemical compound
ChemicalSubstance type_of_chemical_entity Q161510
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1,3-indandione

Summary

1,3-indandione is a type of chemical entity[1]. 1,3-indandione ranks in the top 6% of type_of_chemical_entity entities by monthly Wikipedia readership (19 views/month).[2]

Key Facts

  • 1,3-indandione's instance of is recorded as type of chemical entity[3].
  • 1,3-indandione's chemical structure is recorded as 1,3-indanon.svg[4].
  • 1,3-indandione's CAS Registry Number is recorded as 606-23-5[5].
  • 1,3-indandione's EC number is recorded as 210-109-7[6].
  • 1,3-indandione's canonical SMILES is recorded as C1C(=O)C2=CC=CC=C2C1=O[7].
  • 1,3-indandione's InChI is recorded as InChI=1S/C9H6O2/c10-8-5-9(11)7-4-2-1-3-6(7)8/h1-4H,5H2[8].
  • 1,3-indandione's InChIKey is recorded as UHKAJLSKXBADFT-UHFFFAOYSA-N[9].
  • 1,3-indandione's chemical formula is recorded as C₉H₆O₂[10].
  • 1,3-indandione's subclass of is recorded as indandione[11].
  • 1,3-indandione's Commons category is recorded as 1,3-Indandione[12].
  • 1,3-indandione's has part is recorded as oxygen[13].
  • 1,3-indandione's has part is recorded as carbon[14].
  • 1,3-indandione's ChEMBL ID is recorded as CHEMBL283521[15].
  • 1,3-indandione's Freebase ID is recorded as /m/057kyk4[16].
  • 1,3-indandione's UNII is recorded as 4DJN7YG35G[17].
  • 1,3-indandione's ChemSpider ID is recorded as 11322[18].
  • 1,3-indandione's PubChem CID is recorded as 11815[19].
  • 1,3-indandione's ChEBI ID is recorded as 78877[20].
  • 1,3-indandione's Reaxys registry number is recorded as 1210061[21].
  • 1,3-indandione's mass is recorded as {'unit': 'Q483261', 'amount': '+146.037'}[22].
  • 1,3-indandione's melting point is recorded as {'unit': 'Q25267', 'amount': '+130.0'}[23].
  • 1,3-indandione's ECHA Substance Infocard ID is recorded as 100.009.191[24].
  • 1,3-indandione's NSC number is recorded as 6312[25].
  • 1,3-indandione's NSC number is recorded as 26329[26].
  • 1,3-indandione's SureChEMBL ID is recorded as 88188[27].

Why It Matters

1,3-indandione ranks in the top 6% of type_of_chemical_entity entities by monthly Wikipedia readership (19 views/month).[2] 1,3-indandione has Wikipedia articles in 9 language editions, a strong signal of global cultural recognition.[28] 1,3-indandione is known by 11 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] . ChEBI. 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] . ChEBI. Retrieved . wikidata.org.
  20. [22] . PubChem. Retrieved . wikidata.org.
  21. [23] . Jean-Claude Bradley Open Melting Point Dataset. wikidata.org.
  22. [24] . ECHA Substance Infocard database. Retrieved . 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). 1,3-indandione. Retrieved May 3, 2026, from https://4ort.xyz/entity/1-3-indandione
MLA “1,3-indandione.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/1-3-indandione.
BibTeX @misc{4ortxyz_1-3-indandione_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{1,3-indandione}}, year = {2026}, url = {https://4ort.xyz/entity/1-3-indandione}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): 1,3-indandione — https://4ort.xyz/entity/1-3-indandione (retrieved 2026-05-03)

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