Indometacin

from source

C19H16ClNO4 · 357.8 g/mol

Aconip · Idomethine · Imbrilon · Indacin

What is Indometacin?

A strong non-steroidal anti-inflammatory sold as Indocin, used for gout attacks and arthritis. Its name comes from the indole ring in its structure. from source

CategoryPrescription medicine

Chemical familyCarboxylic Acids Aromatics Ethers Halogenated

LeaderboardsBiggest Deadliest

Fig. 1 · 2D structure RDKit

SMILESCC1=C(C2=C(N1C(=O)C3=CC=C(C=C3)Cl)C=CC(=C2)OC)CC(=O)O

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: 12 mg/kg · highly toxic
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

12 mg/kg · highly toxic · LD50 rat oral from source

1 more reported value

50 mg/kgLD50 · oral · mouse

DangerCorrosiveToxicIrritantHealth hazardH300, H301, H317, H318, H335, H336, H360, H373, H413from source

Sources & methodology

PubChem CID: 3715
Wikidata: Q409231
Structure: PubChem → RDKit
LD50: PubChem
Data refreshed: October 19, 2026

How MoleculeFinder sources and labels its data