Chemicals and Drugs

Hydroxyindoleacetic Acid

National Library of MedicineMedical Subject Headings2026

Chemical Identity

Chemical Information

Molecular Formula
C10H9NO3
Molecular Weight
191.18 g/mol
CAS Registry No.
54-16-0
IUPAC Name
2-(5-hydroxy-1H-indol-3-yl)acetic acid
InChIKey
DUUGKQCEGZLZNO-UHFFFAOYSA-N
SMILES
C1=CC2=C(C=C1O)C(=CN2)CC(=O)O
MeSH Unique ID
D006897
Source
PubChem CID 1826

MeSH Record

Classification

Broader headings

Related Concepts

Knowledge Graph

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MeSH Record

Synonyms

9 entry terms
  • 5-HIAA
  • 5-Hydroxy-3-Indoleacetic Acid
  • 5-Hydroxyindolamine Acetic Acid
  • 5 Hydroxy 3 Indoleacetic Acid
  • 5 Hydroxyindolamine Acetic Acid
  • Acetic Acid, 5-Hydroxyindolamine
  • Acid, 5-Hydroxy-3-Indoleacetic
  • Acid, 5-Hydroxyindolamine Acetic
  • Acid, Hydroxyindoleacetic

MeSH Record

Aspects Covered

25 allowable subheadings

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

MeSH Record

History Note

66(64)

MeSH Hierarchy

Tree Numbers

  1. D03w.066.288.478w
  2. D03w.633.100.473.404.478w

AMA Style

References

  1. National Library of Medicine. Hydroxyindoleacetic Acid. Medical Subject Headings (MeSH). 2026. Unique ID D006897. http://id.nlm.nih.gov/mesh/2026/D006897
  2. Hydroxyindoleacetic Acid. In: Wikipedia. https://en.wikipedia.org/wiki/5-Hydroxyindoleacetic_acid
  3. Hydroxyindoleacetic Acid. In: Wikidata. https://www.wikidata.org/wiki/Q238532
  4. Hydroxyindoleacetic Acid. In: PubChem Compound. CID 1826. https://pubchem.ncbi.nlm.nih.gov/compound/1826