Nitrofurantoin

from source

C8H6N4O5 · 238.16 g/mol

Furadantin · Furadantoin · Furadonin · Furadontin

What is Nitrofurantoin?

An antibiotic that concentrates in urine, so it is used almost exclusively for bladder infections. Nitrofurantoin (C8H6N4O5, 238 g/mol) is an antibiotic dispensed on prescription. from source

CategoryPrescription medicine

Chemical familyAmides

LeaderboardsBiggest Deadliest

Fig. 1 · 2D structure RDKit

SMILESC1C(=O)NC(=O)N1/N=C/C2=CC=C(O2)[N+](=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: 604 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

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

1 more reported value

360 mg/kgLD50 · oral · mouse

DangerIrritantHealth hazardH302, H317, H334from source

Sources & methodology

PubChem CID: 6604200
Wikidata: Q422669
Structure: PubChem → RDKit
LD50: PubChem
Data refreshed: September 13, 2026

How MoleculeFinder sources and labels its data