Chemicals and Drugs

Pyridoxic Acid

The catabolic product of most of VITAMIN B 6; (PYRIDOXINE; PYRIDOXAL; and PYRIDOXAMINE) which is excreted in the urine.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

The catabolic product of most of VITAMIN B 6; (PYRIDOXINE; PYRIDOXAL; and PYRIDOXAMINE) which is excreted in the urine.

Chemical Identity

Chemical Information

Molecular Formula
C8H9NO4
Molecular Weight
183.16 g/mol
CAS Registry No.
82-82-6
IUPAC Name
3-hydroxy-5-(hydroxymethyl)-2-methylpyridine-4-carboxylic acid
InChIKey
HXACOUQIXZGNBF-UHFFFAOYSA-N
SMILES
CC1=NC=C(C(=C1O)C(=O)O)CO
MeSH Unique ID
D011735
Source
PubChem CID 6723

MeSH Record

Classification

Related Concepts

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MeSH Record

Synonyms

7 entry terms
  • 4-Pyridoxic Acid
  • 4-Pyridoxinic Acid
  • 4-Pyridoxylic Acid
  • Pyridoxinecarboxylic Acid
  • 4 Pyridoxic Acid
  • 4 Pyridoxinic Acid
  • 4 Pyridoxylic Acid

MeSH Record

Aspects Covered

29 allowable subheadings

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

History Note

91(75); was see under ISONICOTINIC ACIDS 1975-90

MeSH Record

Previous Indexing

  • Alcohol, Methyl (1974)
  • Isonicotinic Acids (1969-1974)

MeSH Hierarchy

Tree Numbers

AMA Style

References

  1. National Library of Medicine. Pyridoxic Acid. Medical Subject Headings (MeSH). 2026. Unique ID D011735. http://id.nlm.nih.gov/mesh/2026/D011735
  2. Pyridoxic Acid. In: Wikidata. https://www.wikidata.org/wiki/Q27102382
  3. Pyridoxic Acid. In: PubChem Compound. CID 6723. https://pubchem.ncbi.nlm.nih.gov/compound/6723