Chemicals and Drugs

Oleic Acid

An unsaturated fatty acid that is the most widely distributed and abundant fatty acid in nature. It is used commercially in the preparation of oleates and lotions, and as a pharmaceutical solvent. (Stedman, 26th ed)

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

An unsaturated fatty acid that is the most widely distributed and abundant fatty acid in nature. It is used commercially in the preparation of oleates and lotions, and as a pharmaceutical solvent. (Stedman, 26th ed)

Chemical Identity

Chemical Information

Molecular Formula
C18H34O2
Molecular Weight
282.5 g/mol
CAS Registry No.
112-80-1
IUPAC Name
(Z)-octadec-9-enoic acid
InChIKey
ZQPPMHVWECSIRJ-KTKRTIGZSA-N
SMILES
CCCCCCCC/C=C\CCCCCCCC(=O)O
MeSH Unique ID
D019301
Source
PubChem CID 445639

MeSH Record

Classification

Broader headings

Related Concepts

Knowledge Graph

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MeSH Record

Synonyms

5 entry terms
  • 9-Octadecenoic Acid
  • cis-9-Octadecenoic Acid
  • 9 Octadecenoic Acid
  • cis 9 Octadecenoic Acid
  • Oleate

MeSH Record

Aspects Covered

28 allowable subheadings

Indexed with the subheadings administration & dosage, adverse effects, agonists, analysis, antagonists & inhibitors, biosynthesis, blood, cerebrospinal fluid, chemical synthesis, chemistry, classification, deficiency, economics, genetics, history, immunology, isolation & purification, metabolism, pharmacokinetics, pharmacology, physiology, poisoning, radiation effects, standards, supply & distribution, therapeutic use, toxicity, urine.

MeSH Record

Indexing Annotation

do not confuse with OLEIC ACIDS

MeSH Record

History Note

97; was OLEIC ACID (NM) 1981-96

MeSH Record

Previous Indexing

  • Oleic Acids (1981-1996)

MeSH Hierarchy

Tree Number

AMA Style

References

  1. National Library of Medicine. Oleic Acid. Medical Subject Headings (MeSH). 2026. Unique ID D019301. http://id.nlm.nih.gov/mesh/2026/D019301
  2. Oleic Acid. In: Wikipedia. https://en.wikipedia.org/wiki/Oleic_acid
  3. Oleic Acid. In: Wikidata. https://www.wikidata.org/wiki/Q207688
  4. Oleic Acid. In: PubChem Compound. CID 445639. https://pubchem.ncbi.nlm.nih.gov/compound/445639