Chemicals and Drugs

Phenylephrine

An alpha-1 adrenergic agonist used as a mydriatic, nasal decongestant, and cardiotonic agent.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

An alpha-1 adrenergic agonist used as a mydriatic, nasal decongestant, and cardiotonic agent.

Chemical Identity

Chemical Information

Molecular Formula
C9H13NO2
Molecular Weight
167.20 g/mol
CAS Registry No.
59-42-7
IUPAC Name
3-[(1R)-1-hydroxy-2-(methylamino)ethyl]phenol
InChIKey
SONNWYBIRXJNDC-VIFPVBQESA-N
SMILES
CNC[C@@H](C1=CC(=CC=C1)O)O
MeSH Unique ID
D010656
Source
PubChem CID 6041

MeSH Record

Classification

Broader headings

Narrower headings

Related Concepts

Knowledge Graph

Loading graph…

Drag nodes to rearrange; hover to trace links; click a node to open its page.

Drug Class

Pharmacological Action

MeSH Record

Synonyms

10 entry terms
  • (R)-3-Hydroxy-alpha-((methylamino)methyl)benzenemethanol
  • Metaoxedrin
  • Metasympatol
  • Mezaton
  • Neo-Synephrine
  • Neosynephrine
  • Phenylephrine Hydrochloride
  • Phenylephrine Tannate
  • Neo Synephrine
  • Tannate, Phenylephrine

MeSH Record

Aspects Covered

25 allowable subheadings

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

MeSH Record

History Note

METASYMPATOL was see PHENYLEPHRINE 1975-91

MeSH Hierarchy

Tree Numbers

AMA Style

References

  1. National Library of Medicine. Phenylephrine. Medical Subject Headings (MeSH). 2026. Unique ID D010656. http://id.nlm.nih.gov/mesh/2026/D010656
  2. Phenylephrine. In: Wikipedia. https://en.wikipedia.org/wiki/Phenylephrine
  3. Phenylephrine. In: Wikidata. https://www.wikidata.org/wiki/Q421910
  4. Phenylephrine. In: PubChem Compound. CID 6041. https://pubchem.ncbi.nlm.nih.gov/compound/6041