Chemicals and Drugs

3,4-Dihydroxyphenylacetic Acid

A deaminated metabolite of LEVODOPA.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

A deaminated metabolite of LEVODOPA.

Chemical Identity

Chemical Information

Molecular Formula
C8H8O4
Molecular Weight
168.15 g/mol
CAS Registry No.
102-32-9
IUPAC Name
2-(3,4-dihydroxyphenyl)acetic acid
InChIKey
CFFZDZCDUFSOFZ-UHFFFAOYSA-N
SMILES
C1=CC(=C(C=C1CC(=O)O)O)O
MeSH Unique ID
D015102
Source
PubChem CID 547

MeSH Record

Classification

Broader headings

Related Concepts

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MeSH Record

Synonyms

4 entry terms
  • DOPAC
  • Homoprotocatechuic Acid
  • 3,4 Dihydroxyphenylacetic Acid
  • 3,4-Dihydroxyphenylacetic Acid, Monosodium Salt

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

91(75); was see under PHENYLACETATES 1975-90; DOPACETIC ACID was see 3,4-DIHYDROXYPHENYLACETIC ACID 1975-93

MeSH Record

Previous Indexing

  • Catechols (1972-1974)
  • Phenylacetates (1972-1974)

MeSH Hierarchy

Tree Number

AMA Style

References

  1. National Library of Medicine. 3,4-Dihydroxyphenylacetic Acid. Medical Subject Headings (MeSH). 2026. Unique ID D015102. http://id.nlm.nih.gov/mesh/2026/D015102
  2. 3,4-Dihydroxyphenylacetic Acid. In: Wikipedia. https://en.wikipedia.org/wiki/3,4-Dihydroxyphenylacetic_acid
  3. 3,4-Dihydroxyphenylacetic Acid. In: Wikidata. https://www.wikidata.org/wiki/Q4634071
  4. 3,4-Dihydroxyphenylacetic Acid. In: PubChem Compound. CID 547. https://pubchem.ncbi.nlm.nih.gov/compound/547