Chemicals and Drugs

PQQ Cofactor

A pyrrolo-quinoline having two adjacent keto-groups at the 4 and 5 positions and three acidic carboxyl groups. It is a coenzyme of some DEHYDROGENASES.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

A pyrrolo-quinoline having two adjacent keto-groups at the 4 and 5 positions and three acidic carboxyl groups. It is a coenzyme of some DEHYDROGENASES.

Chemical Identity

Chemical Information

Molecular Formula
C14H6N2O8
Molecular Weight
330.21 g/mol
CAS Registry No.
72909-34-3
IUPAC Name
4,5-dioxo-1H-pyrrolo[2,3-f]quinoline-2,7,9-tricarboxylic acid
InChIKey
MMXZSJMASHPLLR-UHFFFAOYSA-N
SMILES
C1=C(C2=C(C(=O)C(=O)C3=C2NC(=C3)C(=O)O)N=C1C(=O)O)C(=O)O
MeSH Unique ID
D045542
Source
PubChem CID 1024

MeSH Record

Classification

Broader headings

Related Concepts

Knowledge Graph

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MeSH Record

Synonyms

14 entry terms
  • 2,7,9-Tricarboxy-1H-Pyrrolo-(2,3-f)Quinoline-4,5-Dione
  • 2,7,9-Tricarboxypyrroloquinoline Quinone
  • 4,5-Dihydro-4,5-Dioxo-1-H-Pyrrolo(2,3-f)Quinoline-2,7,9-Tricarboxylic Acid
  • Coenzyme PQQ
  • Methoxatin
  • PQQ Coenzyme
  • Pyrrolo-Quinoline Quinone
  • Pyrroloquinoline Quinone
  • Coenzyme, PQQ
  • Cofactor, PQQ
  • PQQ, Coenzyme
  • Pyrrolo Quinoline Quinone
  • Quinone, Pyrrolo-Quinoline
  • Quinone, Pyrroloquinoline

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

2004; use PQQ COFACTOR (NM) 1981-2003

MeSH Hierarchy

Tree Numbers

  1. D03w.633.100.810.835.661w
  2. D08.211w.682w

AMA Style

References

  1. National Library of Medicine. PQQ Cofactor. Medical Subject Headings (MeSH). 2026. Unique ID D045542. http://id.nlm.nih.gov/mesh/2026/D045542
  2. PQQ Cofactor. In: Wikipedia. https://en.wikipedia.org/wiki/Pyrroloquinoline_quinone
  3. PQQ Cofactor. In: Wikidata. https://www.wikidata.org/wiki/Q414583
  4. PQQ Cofactor. In: PubChem Compound. CID 1024. https://pubchem.ncbi.nlm.nih.gov/compound/1024