retinal

chemical compound
ChemicalSubstance type_of_chemical_entity Q422001
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retinal

Summary

retinal is a type of chemical entity[1]. retinal ranks in the top 5% of type_of_chemical_entity entities by monthly Wikipedia readership (298 views/month).[2]

Key Facts

  • retinal's image is recorded as Retinal.png[3].
  • retinal's instance of is recorded as type of chemical entity[4].
  • retinal's chemical structure is recorded as All-trans-Retinal.svg[5].
  • retinal's CAS Registry Number is recorded as 311338-94-0[6].
  • retinal's EC number is recorded as 204-135-8[7].
  • retinal's canonical SMILES is recorded as CC1=C(C(CCC1)(C)C)C=CC(=CC=CC(=CC=O)C)C[8].
  • retinal's InChI is recorded as InChI=1S/C20H28O/c1-16(8-6-9-17(2)13-15-21)11-12-19-18(3)10-7-14-20(19,4)5/h6,8-9,11-13,15H,7,10,14H2,1-5H3[9].
  • retinal's InChIKey is recorded as NCYCYZXNIZJOKI-UHFFFAOYSA-N[10].
  • retinal's Library of Congress authority ID is recorded as sh85113331[11].
  • retinal's chemical formula is recorded as C₂₀H₂₈O[12].
  • retinal's subclass of is recorded as vitamin A[13].
  • retinal's subclass of is recorded as 10,15-cyclophytane diterpenoid[14].
  • retinal's subclass of is recorded as vitamer[15].
  • retinal's part of is recorded as retinal binding[16].
  • retinal's part of is recorded as retinal metabolic process[17].
  • retinal's part of is recorded as retinal dehydrogenase activity[18].
  • retinal's Commons category is recorded as Retinal[19].
  • retinal's Freebase ID is recorded as /m/03yxyz[20].
  • retinal's UNII is recorded as RR725D715M[21].
  • retinal's ChemSpider ID is recorded as 1041[22].
  • retinal's PubChem CID is recorded as 1070[23].
  • retinal's KEGG ID is recorded as C00376[24].
  • retinal's ChEBI ID is recorded as 15035[25].
  • retinal's found in taxon is recorded as Homo sapiens[26].
  • retinal's Gran Enciclopèdia Catalana ID is recorded as 0207962[27].

Why It Matters

retinal ranks in the top 5% of type_of_chemical_entity entities by monthly Wikipedia readership (298 views/month).[2] retinal has Wikipedia articles in 16 language editions, a strong signal of global cultural recognition.[28] retinal is known by 4 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] . wikidata.org.
  4. [6] . SciFinder. wikidata.org.
  5. [7] . ECHA Substance Infocard database. 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] . PubChem. Retrieved . wikidata.org.
  11. [13] . wikidata.org.
  12. [14] . wikidata.org.
  13. [15] . wikidata.org.
  14. [16] . Gene Ontology release 2019-11-16. wikidata.org.
  15. [17] . Gene Ontology release 2020-05-02. wikidata.org.
  16. [18] . Gene Ontology release 2020-05-02. wikidata.org.
  17. [19] . wikidata.org.
  18. [20] . Freebase Data Dumps. wikidata.org.
  19. [21] . wikidata.org.
  20. [22] . Q2311683. Retrieved . wikidata.org.
  21. [23] . PubChem. Retrieved . wikidata.org.
  22. [24] . wikidata.org.
  23. [25] . ChEBI. Retrieved . wikidata.org.
  24. [26] . Recon 2.2: from reconstruction to model of human metabolism. 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). retinal. Retrieved May 3, 2026, from https://4ort.xyz/entity/retinal
MLA “retinal.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/retinal.
BibTeX @misc{4ortxyz_retinal_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{retinal}}, year = {2026}, url = {https://4ort.xyz/entity/retinal}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): retinal — https://4ort.xyz/entity/retinal (retrieved 2026-05-03)

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