SHEET /m/oxazepam · PubChem CID 4616 · CAS 604-75-1 · REV 2026.07

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Oxazepam

from source

C15H11ClN2O2 · 286.71 g/mol

Serax · Adumbran · Ansioxacepam · Droxacepam

What is Oxazepam?

A benzodiazepine sold as Serax, used for anxiety and alcohol withdrawal. It is also one of the molecules diazepam turns into in the body. from source

CategoryPrescription medicine

Chemical familyAlcohols Aromatics Amides Halogenated

LeaderboardsBiggest Deadliest

Fig. 1 · 2D structure RDKit

SMILESC1=CC=C(C=C1)C2=NC(C(=O)NC3=C2C=C(C=C3)Cl)O

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: 5,000 mg/kg · very 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

5,000 mg/kg · very low toxicity · LD50 rat oral from source

WarningHealth hazardH351from source

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Where Oxazepam leads

Relatedcomputed

Lorazepam75% similarBoth carry an alcohol and an amide group.Temazepam59% similarBoth carry an alcohol and an amide group.Diazepam38% similarBoth carry an amide group.Nitrazepam37% similarBoth carry an amide group.

Compare with

Oxazepam vs Diazepam

Sources & methodology

PubChem CID: 4616
Wikidata: Q412299
Structure: PubChem → RDKit
LD50: PubChem
Similar molecules: MoleculeFinder fingerprint similarity
Data refreshed: October 19, 2026

How MoleculeFinder sources and labels its data