Chemicals and Drugs

Pyronine

Xanthene dye used as a bacterial and biological stain. Synonyms: Pyronin; Pyronine G; Pyronine Y. Use also for Pyronine B. which is diethyl-rather than dimethylamino-.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

Xanthene dye used as a bacterial and biological stain. Synonyms: Pyronin; Pyronine G; Pyronine Y. Use also for Pyronine B. which is diethyl-rather than dimethylamino-.

Chemical Identity

Chemical Information

Molecular Formula
C17H19ClN2O
Molecular Weight
302.8 g/mol
CAS Registry No.
92-32-0
IUPAC Name
[6-(dimethylamino)xanthen-3-ylidene]-dimethylazanium chloride
InChIKey
INCIMLINXXICKS-UHFFFAOYSA-M
SMILES
CN(C)C1=CC2=C(C=C1)C=C3C=CC(=[N+](C)C)C=C3O2.[Cl-]
MeSH Unique ID
D011754
Source
PubChem CID 7085

MeSH Record

Classification

Broader headings

Related Concepts

Knowledge Graph

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Drug Class

Pharmacological Action

MeSH Record

Synonyms

2 entry terms
  • Pyronin Y
  • Pyronine G

MeSH Record

Aspects Covered

19 allowable subheadings

Indexed with the subheadings administration & dosage, adverse effects, analogs & derivatives, analysis, chemical synthesis, chemistry, classification, economics, history, isolation & purification, metabolism, pharmacokinetics, pharmacology, poisoning, radiation effects, standards, supply & distribution, therapeutic use, toxicity.

MeSH Record

Indexing Annotation

D25-26 qualif

MeSH Record

History Note

91(75); was see under XANTHENES 1975-90

MeSH Record

Previous Indexing

  • Ammonium Compounds (1969-1974)
  • Xanthenes (1971-1974)

MeSH Hierarchy

Tree Number

AMA Style

References

  1. National Library of Medicine. Pyronine. Medical Subject Headings (MeSH). 2026. Unique ID D011754. http://id.nlm.nih.gov/mesh/2026/D011754
  2. Pyronine. In: Wikidata. https://www.wikidata.org/wiki/Q2120020
  3. Pyronine. In: PubChem Compound. CID 7085. https://pubchem.ncbi.nlm.nih.gov/compound/7085