Chemicals and Drugs

4-Aminobenzoic Acid

An aminobenzoic acid isomer that combines with pteridine and GLUTAMIC ACID to form FOLIC ACID. The fact that 4-aminobenzoic acid absorbs light throughout the UVB range has also resulted in its use as an ingredient in SUNSCREENS.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

An aminobenzoic acid isomer that combines with pteridine and GLUTAMIC ACID to form FOLIC ACID. The fact that 4-aminobenzoic acid absorbs light throughout the UVB range has also resulted in its use as an ingredient in SUNSCREENS.

Chemical Identity

Chemical Information

Molecular Formula
C7H7NO2
Molecular Weight
137.14 g/mol
CAS Registry No.
150-13-0
IUPAC Name
4-aminobenzoic acid
InChIKey
ALYNCZNDIQEVRV-UHFFFAOYSA-N
SMILES
C1=CC(=CC=C1C(=O)O)N
MeSH Unique ID
D010129
Source
PubChem CID 978

MeSH Record

Classification

Broader headings

Related Concepts

Knowledge Graph

Loading graph…

Drag nodes to rearrange; hover to trace links; click a node to open its page.

MeSH Record

Synonyms

23 entry terms
  • Aminobenzoic Acid (USP)
  • PABA
  • p-Aminobenzoic Acid
  • para-Aminobenzoic Acid
  • 4 Aminobenzoic Acid
  • p Aminobenzoic Acid
  • para Aminobenzoic Acid
  • 4-Aminobenzoic Acid, Potassium Salt
  • Epit Vit
  • Epitelplast
  • Hachemina
  • Magnesium para-Aminobenzoate
  • Pabasan
  • Paraminan
  • Paraminol
  • Potaba
  • Potassium 4-Aminobenzoate
  • Potassium Aminobenzoate
  • 4 Aminobenzoic Acid, Potassium Salt
  • 4-Aminobenzoate, Potassium
  • Aminobenzoate, Potassium
  • Potassium 4 Aminobenzoate
  • para-Aminobenzoate, Magnesium

MeSH Record

Aspects Covered

24 allowable subheadings

Indexed with the subheadings administration & dosage, adverse effects, agonists, 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

1990(1977); for EPIT VIT and PABASAN use AMINOBENZOATES 2005-2012, for EPITELPLAST use AMINOBENZOATES 2003-2012; for HACHEMINA 2 use AMINOBENZOATES 2005-2012, for PARAMINOL use AMINOBENZOATES 1999-2012, for POTABA use AMINONBENZOATES 1991-2012

MeSH Record

Previous Indexing

  • Aminobenzoic Acids (1966-1976)

MeSH Hierarchy

Tree Numbers

AMA Style

References

  1. National Library of Medicine. 4-Aminobenzoic Acid. Medical Subject Headings (MeSH). 2026. Unique ID D010129. http://id.nlm.nih.gov/mesh/2026/D010129
  2. 4-Aminobenzoic Acid. In: Wikipedia. https://en.wikipedia.org/wiki/4-Aminobenzoic_acid
  3. 4-Aminobenzoic Acid. In: Wikidata. https://www.wikidata.org/wiki/Q284959
  4. 4-Aminobenzoic Acid. In: PubChem Compound. CID 978. https://pubchem.ncbi.nlm.nih.gov/compound/978