Quinine

from source

C20H24N2O2 · 324.4 g/mol

Chinin · chininum · Chininum purum · Rezquin

What is Quinine?

The bitter alkaloid of cinchona bark that gives tonic water its taste, and the compound that made gin and tonic a colonial habit. Found in tonic water. from source

CategoryPlant

Chemical familyAlcohols Aromatics Ethers

LeaderboardsBiggest Deadliest

Fig. 1 · 2D structure RDKit

SMILESCOC1=CC2=C(C=CN=C2C=C1)[C@H]([C@@H]3C[C@@H]4CCN3C[C@@H]4C=C)O

Where you'll find it

Tonic waterwhat else is in it →

Curated by MoleculeFinder from source

Relative acute toxicity from source

Animal study data · LD50

Reported LD50: 1,800 mg/kg · low toxicity
Species: guinea pig
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

1,800 mg/kg · low toxicity · LD50 guinea pig oral from source

1 more reported value

115 mg/kgLD50 · other · mouse

DangerIrritantHealth hazardH302, H315, H317, H319, H334from source

Sources & methodology

PubChem CID: 3034034
Wikidata: Q189522
Structure: PubChem → RDKit
LD50: PubChem
Everyday relationships: MoleculeFinder editorial curation
Data refreshed: October 19, 2026

How MoleculeFinder sources and labels its data