Ropinirole

from source

C16H24N2O · 260.37 g/mol

Adartrel · Narapin · Ropitor

What is Ropinirole?

A dopamine agonist sold as Requip, used for Parkinson's disease and restless legs syndrome. It mimics dopamine at the D2 and D3 receptors. from source

CategoryPrescription medicine

Chemical familyAromatics Amides

LeaderboardsBiggest Deadliest

Fig. 1 · 2D structure RDKit

SMILESCCCN(CCC)CCC1=C2CC(=O)NC2=CC=C1

Where you'll find it

Dispensed on prescription, not sold on a shelf. See the rest of the prescription medicine group.

Relative acute toxicity from source

Animal study data · LD50

Reported LD50: 862 mg/kg · low toxicity
Species: rat
Route: oral

An LD50 describes acute toxicity under experimental conditions and is not a safe or dangerous dose for a person.

Toxicity & hazards

Toxicity · LD50

862 mg/kg · low toxicity · LD50 rat oral from source

3 more reported values

657 mg/kgLD50 · oral · mouse
46 mg/kgLD50 · iv · mouse
66 mg/kgLD50 · iv · rat

WarningIrritantEnvironmentalH302, H400, H410, H412from source

Compare with

Ropinirole vs Pramipexole

Sources & methodology

PubChem CID: 5095
Wikidata: Q420590
Structure: PubChem → RDKit
LD50: PubChem
Data refreshed: October 19, 2026

How MoleculeFinder sources and labels its data