Chemicals and Drugs

Peroxynitrous Acid

A potent oxidant synthesized by the cell during its normal metabolism. Peroxynitrite is formed from the reaction of two free radicals, NITRIC OXIDE and the superoxide anion (SUPEROXIDES).

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

A potent oxidant synthesized by the cell during its normal metabolism. Peroxynitrite is formed from the reaction of two free radicals, NITRIC OXIDE and the superoxide anion (SUPEROXIDES).

Chemical Identity

Chemical Information

Molecular Formula
HNO3
Molecular Weight
63.013 g/mol
CAS Registry No.
14691-52-2
IUPAC Name
hydroxy nitrite
InChIKey
CMFNMSMUKZHDEY-UHFFFAOYSA-N
SMILES
N(=O)OO
MeSH Unique ID
D030421
Source
PubChem CID 123349

MeSH Record

Classification

Related Concepts

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MeSH Record

Synonyms

8 entry terms
  • Acid, Peroxynitrous
  • Acids, Peroxynitrous
  • Peroxynitrous Acids
  • Peroxonitrite
  • Peroxynitrite
  • Peroxynitrous Acid, Potassium Salt
  • Peroxonitrites
  • Peroxynitrites

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

2002; for PEROXYNITRITE use PEROXYNITROUS ACID (NM) 1990-2001

MeSH Record

Previous Indexing

  • Nitrates (1990-2001)

MeSH Hierarchy

Tree Numbers

AMA Style

References

  1. National Library of Medicine. Peroxynitrous Acid. Medical Subject Headings (MeSH). 2026. Unique ID D030421. http://id.nlm.nih.gov/mesh/2026/D030421
  2. Peroxynitrous Acid. In: Wikipedia. https://en.wikipedia.org/wiki/Peroxynitrous_acid
  3. Peroxynitrous Acid. In: Wikidata. https://www.wikidata.org/wiki/Q7169514
  4. Peroxynitrous Acid. In: PubChem Compound. CID 123349. https://pubchem.ncbi.nlm.nih.gov/compound/123349