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SHEET /m/flunitrazepam · PubChem CID 3380 · CAS 1622-62-4 · REV 2026.07

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Flunitrazepam

from source

C16H12FN3O3 · 313.28 g/mol

flunipam · Hipnosedon · Narcozep · Primun

What is Flunitrazepam?

A potent benzodiazepine sold as Rohypnol, notorious for its use in drug-facilitated assault. It is not marketed in the United States. from source

CategoryPrescription medicine
Chemical familyAromaticsAmidesHalogenated
LeaderboardsBiggestDeadliest

Fig. 1 · 2D structure RDKit

SMILESCN1C(=O)CN=C(C2=C1C=CC(=C2)[N+](=O)[O-])C3=CC=CC=C3F

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
415 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

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

3 more reported values
  • 1,200 mg/kgLD50 · oral · mouse
  • 1,050 mg/kgLD50 · other · mouse
  • 1,060 mg/kgLD50 · other · rat
WarningIrritantHealth hazardH302, H319, H373from source

Keep roaming

Where Flunitrazepam leads

Relatedcomputed
Diazepam48% similarBoth carry an amide group.Clonazepam44% similarBoth carry an amide group.Midazolam41% similarBoth carry an aromatic ring and a halogen atom.

Sources & methodology

PubChem CID
3380
Wikidata
Q62947
Structure
PubChem → RDKit
LD50
PubChem
Similar molecules
MoleculeFinder fingerprint similarity
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