Chemicals and Drugs

Gallic Acid

A colorless or slightly yellow crystalline compound obtained from nutgalls. It is used in photography, pharmaceuticals, and as an analytical reagent.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

A colorless or slightly yellow crystalline compound obtained from nutgalls. It is used in photography, pharmaceuticals, and as an analytical reagent.

Chemical Identity

Chemical Information

Molecular Formula
C7H6O5
Molecular Weight
170.12 g/mol
CAS Registry No.
149-91-7
IUPAC Name
3,4,5-trihydroxybenzoic acid
InChIKey
LNTHITQWFMADLM-UHFFFAOYSA-N
SMILES
C1=C(C=C(C(=C1O)O)O)C(=O)O
MeSH Unique ID
D005707
Source
PubChem CID 370

MeSH Record

Classification

Broader headings

Narrower headings

Related Concepts

Knowledge Graph

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MeSH Record

Synonyms

2 entry terms
  • 3,4,5-Trihydroxybenzoic Acid
  • Acid, Gallic

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 Hierarchy

Tree Numbers

  1. D02w.241w.223.100.300.200w
  2. D02w.241w.511w.390.200w
  3. D02w.455w.426w.559w.389.127.281.200w
  4. D02w.455w.426w.559w.389.657w.410.200w

AMA Style

References

  1. National Library of Medicine. Gallic Acid. Medical Subject Headings (MeSH). 2026. Unique ID D005707. http://id.nlm.nih.gov/mesh/2026/D005707
  2. Gallic Acid. In: Wikipedia. https://en.wikipedia.org/wiki/Gallic_acid
  3. Gallic Acid. In: Wikidata. https://www.wikidata.org/wiki/Q375837
  4. Gallic Acid. In: PubChem Compound. CID 370. https://pubchem.ncbi.nlm.nih.gov/compound/370