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SHEET /m/furosemide · PubChem CID 3440 · CAS 54-31-9 · REV 2026.07

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Furosemide

from source

C12H11ClN2O5S · 330.74 g/mol

dihydroflumethiazide · methforylthiazidine · Aisemide · Beronald

What is Furosemide?

A loop diuretic sold as Lasix, used for the fluid build-up of heart failure and for high blood pressure. from source

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Fig. 1 · 2D structure RDKit

SMILESC1=COC(=C1)CNC2=CC(=C(C=C2C(=O)O)S(=O)(=O)N)Cl

Where you'll find it

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

Toxicity & hazards

Toxicity · LD50

800 mg/kg · low toxicity · LD50 rat iv from source

1 more reported value
  • 800 mg/kgLD50 · other · rat
DangerIrritantHealth hazardH315, H319, H335, H351, H360, H361from source

Compare with

Sources & methodology

PubChem CID
3440
Wikidata
Q388801
Structure
PubChem → RDKit
LD50
PubChem
Data refreshed

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