moleculefinder

SHEET /m/temazepam · PubChem CID 5391 · CAS 846-50-4 · REV 2026.07

marquee

Temazepam

from source

C16H13ClN2O2 · 300.74 g/mol

Hydroxydiazepam · Methyloxazepam · N-Methyloxazepam · Nocturne

What is Temazepam?

A benzodiazepine sold as Restoril, prescribed for short-term insomnia. Temazepam (C16H13ClN2O2, 301 g/mol) is a benzodiazepine dispensed on prescription. from source

CategoryPrescription medicine
Chemical familyAlcoholsAromaticsAmidesHalogenated
LeaderboardsBiggestDeadliest

Fig. 1 · 2D structure RDKit

SMILESCN1C2=C(C=C(C=C2)Cl)C(=NC(C1=O)O)C3=CC=CC=C3

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
1,833 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

1,833 mg/kg · low toxicity · LD50 rat oral from source

2 more reported values
  • 1,963 mg/kgLD50 · oral · mouse
  • 2,400 mg/kgLD50 · oral · rabbit
WarningIrritantH302from source

Keep roaming

Where Temazepam leads

Relatedcomputed
Diazepam59% similarBoth carry an amide group.Lorazepam44% similarBoth carry an alcohol and an amide group.Alprazolam42% similarBoth carry an aromatic ring and a halogen atom.

Compare with

Temazepam vs Zolpidem

Sources & methodology

PubChem CID
5391
Wikidata
Q414796
Structure
PubChem → RDKit
LD50
PubChem
Similar molecules
MoleculeFinder fingerprint similarity
Data refreshed

How MoleculeFinder sources and labels its data