SHEET /m/hydrochlorothiazide · PubChem CID 3639 · CAS 58-93-5 · REV 2026.07
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Hydrochlorothiazide
from sourceC7H8ClN3O4S2 · 297.7 g/mol
Chlorosulthiadil · Esidrix · HCTZ · Hidrotiazida
What is Hydrochlorothiazide?
A thiazide diuretic, one of the oldest and most prescribed blood-pressure medicines, usually combined with something else in one tablet. from source
CategoryPrescription medicine
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Fig. 1 · 2D structure RDKit
SMILES
C1NC2=CC(=C(C=C2S(=O)(=O)N1)S(=O)(=O)N)ClWhere you'll find it
Dispensed on prescription, not sold on a shelf. See the rest of the prescription medicine group.
Toxicity & hazards
Toxicity · LD50
250 mg/kg · moderately toxic · LD50 dog iv from source
3 more reported values
- 461 mg/kgLD50 · iv · rabbit
- 578 mg/kgLD50 · other · mouse
- 1,470 mg/kgLD50 · other · mouse
DangerIrritantHealth hazardH302, H317, H334, H372from source