Chemicals and Drugs

Pyridoxal

The 4-carboxyaldehyde form of VITAMIN B 6 which is converted to PYRIDOXAL PHOSPHATE which is a coenzyme for synthesis of amino acids, neurotransmitters (serotonin, norepinephrine), sphingolipids, aminolevulinic acid.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

The 4-carboxyaldehyde form of VITAMIN B 6 which is converted to PYRIDOXAL PHOSPHATE which is a coenzyme for synthesis of amino acids, neurotransmitters (serotonin, norepinephrine), sphingolipids, aminolevulinic acid.

Chemical Identity

Chemical Information

Molecular Formula
C8H9NO3
Molecular Weight
167.16 g/mol
CAS Registry No.
66-72-8
IUPAC Name
3-hydroxy-5-(hydroxymethyl)-2-methylpyridine-4-carbaldehyde
InChIKey
RADKZDMFGJYCBB-UHFFFAOYSA-N
SMILES
CC1=NC=C(C(=C1O)C=O)CO
MeSH Unique ID
D011730
Source
PubChem CID 1050

MeSH Record

Classification

Broader headings

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Related Concepts

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Drug Class

Pharmacological Action

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

Indexing Annotation

deficiency: coordinate PYRIDOXAL /defic (IM) with VITAMIN B 6 DEFICIENCY (IM)

MeSH Record

History Note

74(72)

MeSH Record

Previous Indexing

  • Picolines (1966-1971)
  • Pyridoxine (1966-1971)

MeSH Hierarchy

Tree Number

MeSH Record

NLM Classification

QU 187

AMA Style

References

  1. National Library of Medicine. Pyridoxal. Medical Subject Headings (MeSH). 2026. Unique ID D011730. http://id.nlm.nih.gov/mesh/2026/D011730
  2. Pyridoxal. In: Wikipedia. https://en.wikipedia.org/wiki/Pyridoxal
  3. Pyridoxal. In: Wikidata. https://www.wikidata.org/wiki/Q3065731
  4. Pyridoxal. In: PubChem Compound. CID 1050. https://pubchem.ncbi.nlm.nih.gov/compound/1050