Propranolol

Overview

Propranolol is a propanolamine that is propan-2-ol substituted by a propan-2-ylamino group at position 1 and a naphthalen-1-yloxy group at position 3. It has a role as an anxiolytic drug, a beta-adrenergic antagonist, a vasodilator agent, an antihypertensive agent, a xenobiotic, an anti-arrhythmia drug, an environmental contaminant and a human blood serum metabolite. It is a member of naphthalenes, a secondary amine and a propanolamine. It is functionally related to a 1-naphthol.

Source: ChEBI (CC BY 4.0), via PubChem.

PubChem record

CID 4946 · Propranolol

Molecular formula · weight

C16H21NO2 · 259.34 g/mol

PubMed papers naming it (title/abstract)

35,794 search: “Propranolol”

Registered clinical studies (ClinicalTrials.gov)

437 intervention: “Propranolol”

Reference facts checked 2026-11-09. Counts are search results, not a judgement of the evidence.