Chemicals and Drugs

Milrinone

A positive inotropic cardiotonic agent with vasodilator properties. It inhibits cAMP phosphodiesterase type 3 activity in myocardium and vascular smooth muscle. Milrinone is a derivative of amrinone and has 20-30 times the inotropic potency of amrinone.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

A positive inotropic cardiotonic agent with vasodilator properties. It inhibits cAMP phosphodiesterase type 3 activity in myocardium and vascular smooth muscle. Milrinone is a derivative of amrinone and has 20-30 times the inotropic potency of amrinone.

Chemical Identity

Chemical Information

Molecular Formula
C12H9N3O
Molecular Weight
211.22 g/mol
CAS Registry No.
78415-72-2
IUPAC Name
6-methyl-2-oxo-5-pyridin-4-yl-1H-pyridine-3-carbonitrile
InChIKey
PZRHRDRVRGEVNW-UHFFFAOYSA-N
SMILES
CC1=C(C=C(C(=O)N1)C#N)C2=CC=NC=C2
MeSH Unique ID
D020105
Source
PubChem CID 4197

MeSH Record

Classification

Broader headings

Related Concepts

Knowledge Graph

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Drug Class

Pharmacological Action

MeSH Record

Synonyms

8 entry terms
  • Corotrop
  • Corotrope
  • Milrinone Lactate
  • Primacor
  • Win-47203
  • Lactate, Milrinone
  • Win 47203
  • Win47203

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

1999; use MILRINONE (NM) 1983-1998

MeSH Record

Previous Indexing

  • Pyridones (1983-1998)

MeSH Hierarchy

Tree Numbers

AMA Style

References

  1. National Library of Medicine. Milrinone. Medical Subject Headings (MeSH). 2026. Unique ID D020105. http://id.nlm.nih.gov/mesh/2026/D020105
  2. Milrinone. In: Wikipedia. https://en.wikipedia.org/wiki/Milrinone
  3. Milrinone. In: Wikidata. https://www.wikidata.org/wiki/Q847399
  4. Milrinone. In: PubChem Compound. CID 4197. https://pubchem.ncbi.nlm.nih.gov/compound/4197