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SHEET /m/midazolam · PubChem CID 4192 · CAS 59467-70-8 · REV 2026.07

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Midazolam

from source

C18H13ClFN3 · 325.8 g/mol

Dormicum · Buccolam · Epistatus · mezolam

What is Midazolam?

A short-acting benzodiazepine used for sedation before procedures and for prolonged seizures. Midazolam (C18H13ClFN3, 326 g/mol) is a benzodiazepine dispensed on prescription. from source

CategoryPrescription medicine
Chemical familyAromaticsHalogenated
LeaderboardsBiggestDeadliest

Fig. 1 · 2D structure RDKit

SMILESCC1=NC=C2N1C3=C(C=C(C=C3)Cl)C(=NC2)C4=CC=CC=C4F

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
825 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

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

4 more reported values
  • 1,600 mg/kgLD50 · oral · mouse
  • 1,600 mg/kgLD50 · oral · rat
  • 50 mg/kgLD50 · iv · mouse
  • 75 mg/kgLD50 · iv · rat
DangerToxicIrritantHealth hazardEnvironmentalH301, H302, H312, H317, H334, H361, H362, H411from source

Keep roaming

Where Midazolam leads

Relatedcomputed
Alprazolam48% similarBoth carry an aromatic ring and a halogen atom.Diazepam41% similarBoth carry an aromatic ring and a halogen atom.Flunitrazepam41% similarBoth carry an aromatic ring and a halogen atom.

Sources & methodology

PubChem CID
4192
Wikidata
Q423071
Structure
PubChem → RDKit
LD50
PubChem
Similar molecules
MoleculeFinder fingerprint similarity
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