oleic acid

monounsaturated omega-9 fatty acid, abbreviated with a lipid number of 18:1 cis-9
ChemicalSubstance type_of_chemical_entity Q207688
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oleic acid

Summary

oleic acid is a type of chemical entity[1]. It ranks in the top 3% of type_of_chemical_entity entities by monthly Wikipedia readership (557 views/month).[2]

Key Facts

  • oleic acid's instance of is recorded as type of chemical entity[3].
  • oleic acid's chemical structure is recorded as Oleic Acid Structural Formulae V.2.svg[4].
  • oleic acid's physically interacts with is recorded as Free fatty acid receptor 1[5].
  • oleic acid's physically interacts with is recorded as Free fatty acid receptor 4[6].
  • oleic acid's physically interacts with is recorded as Phospholipase D2[7].
  • oleic acid's GND ID is recorded as 4327477-8[8].
  • oleic acid's CAS Registry Number is recorded as 112-80-1[9].
  • oleic acid's EC number is recorded as 204-007-1[10].
  • oleic acid's canonical SMILES is recorded as CCCCCCCCC=CCCCCCCCC(=O)O[11].
  • oleic acid's InChI is recorded as InChI=1S/C18H34O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18(19)20/h9-10H,2-8,11-17H2,1H3,(H,19,20)/b10-9-[12].
  • oleic acid's InChIKey is recorded as ZQPPMHVWECSIRJ-KTKRTIGZSA-N[13].
  • oleic acid's Library of Congress authority ID is recorded as sh87004196[14].
  • oleic acid's chemical formula is recorded as C₁₈H₃₄O₂[15].
  • oleic acid's subclass of is recorded as long chain fatty acid[16].
  • oleic acid's subclass of is recorded as unsaturated fatty acid[17].
  • oleic acid's subclass of is recorded as octadec-9-enoic acid[18].
  • oleic acid's Commons category is recorded as Oleic acid[19].
  • oleic acid's MeSH descriptor ID is recorded as D019301[20].
  • oleic acid's has part is recorded as oxygen[21].
  • oleic acid's has part is recorded as carbon[22].
  • oleic acid's ChEMBL ID is recorded as CHEMBL8659[23].
  • oleic acid's Guide to Pharmacology Ligand ID is recorded as 1054[24].
  • oleic acid's PDB structure ID is recorded as 1VYF[25].
  • oleic acid's PDB structure ID is recorded as 5EE7[26].
  • oleic acid's PDB structure ID is recorded as 3VKK[27].

Why It Matters

oleic acid ranks in the top 3% of type_of_chemical_entity entities by monthly Wikipedia readership (557 views/month).[2] It has Wikipedia articles in 30 language editions, a strong signal of global cultural recognition.[28] It is known by 59 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] . IUPHAR/BPS Guide to PHARMACOLOGY. Retrieved . wikidata.org.
  4. [6] . IUPHAR/BPS Guide to PHARMACOLOGY. Retrieved . wikidata.org.
  5. [7] . IUPHAR/BPS Guide to PHARMACOLOGY. Retrieved . wikidata.org.
  6. [8] . wikidata.org.
  7. [9] . ChEBI. Retrieved . commonchemistry.cas.org. Provenance: wikidata.org.
  8. [10] . Global Substance Registration System. Retrieved . wikidata.org.
  9. [11] . PubChem. Retrieved . wikidata.org.
  10. [12] . PubChem. Retrieved . wikidata.org.
  11. [13] . PubChem. Retrieved . wikidata.org.
  12. [14] . wikidata.org.
  13. [15] . PubChem. Retrieved . wikidata.org.
  14. [16] . wikidata.org.
  15. [17] . wikidata.org.
  16. [18] . wikidata.org.
  17. [19] . wikidata.org.
  18. [20] . wikidata.org.
  19. [21] . wikidata.org.
  20. [22] . wikidata.org.
  21. [23] . ChEMBL. Retrieved . wikidata.org.
  22. [24] . IUPHAR/BPS Guide to PHARMACOLOGY. Retrieved . wikidata.org.
  23. [25] . Protein Data Bank. Retrieved . wikidata.org.
  24. [26] . Protein Data Bank. Retrieved . wikidata.org.
  25. [27] . Protein 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). oleic acid. Retrieved May 3, 2026, from https://4ort.xyz/entity/oleic-acid
MLA “oleic acid.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/oleic-acid.
BibTeX @misc{4ortxyz_oleic-acid_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{oleic acid}}, year = {2026}, url = {https://4ort.xyz/entity/oleic-acid}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): oleic acid — https://4ort.xyz/entity/oleic-acid (retrieved 2026-05-03)

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