Chemicals and Drugs

Prazosin

A selective adrenergic alpha-1 antagonist used in the treatment of HEART FAILURE; HYPERTENSION; PHEOCHROMOCYTOMA; RAYNAUD DISEASE; PROSTATIC HYPERTROPHY; and URINARY RETENTION.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

A selective adrenergic alpha-1 antagonist used in the treatment of HEART FAILURE; HYPERTENSION; PHEOCHROMOCYTOMA; RAYNAUD DISEASE; PROSTATIC HYPERTROPHY; and URINARY RETENTION.

Chemical Identity

Chemical Information

Molecular Formula
C19H21N5O4
Molecular Weight
383.4 g/mol
CAS Registry No.
19216-56-9
IUPAC Name
[4-(4-amino-6,7-dimethoxyquinazolin-2-yl)piperazin-1-yl]-(furan-2-yl)methanone
InChIKey
IENZQIKPVFGBNW-UHFFFAOYSA-N
SMILES
COC1=C(C=C2C(=C1)C(=NC(=N2)N3CCN(CC3)C(=O)C4=CC=CO4)N)OC
MeSH Unique ID
D011224
Source
PubChem CID 4893

MeSH Record

Classification

Broader headings

Narrower headings

Related Concepts

Knowledge Graph

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Drug Class

Pharmacological Action

MeSH Record

Synonyms

7 entry terms
  • Furazosin
  • Minipress
  • Pratsiol
  • Prazosin HCL
  • Prazosin Hydrochloride
  • HCL, Prazosin
  • Hydrochloride, Prazosin

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

86(77); was see under QUINAZOLINES 1977-85

MeSH Record

Previous Indexing

  • Piperazines (1974-1976)
  • Quinazolines (1974-1976)

MeSH Hierarchy

Tree Number

MeSH Record

NLM Classification

QV 151

AMA Style

References

  1. National Library of Medicine. Prazosin. Medical Subject Headings (MeSH). 2026. Unique ID D011224. http://id.nlm.nih.gov/mesh/2026/D011224
  2. Prazosin. In: Wikipedia. https://en.wikipedia.org/wiki/Prazosin
  3. Prazosin. In: Wikidata. https://www.wikidata.org/wiki/Q425296
  4. Prazosin. In: PubChem Compound. CID 4893. https://pubchem.ncbi.nlm.nih.gov/compound/4893