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SHEET /m/nefopam · PubChem CID 4450 · CAS 13669-70-0 · REV 2026.07

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Nefopam

from source

C17H19NO · 253.34 g/mol

Fenazoxine

What is Nefopam?

A non-opioid painkiller sold as Acupan, used in hospitals in the UK and France. Its ring structure is related to the antihistamine orphenadrine. from source

Chemical familyAromaticsEthers
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Fig. 1 · 2D structure RDKit

SMILESCN1CCOC(C2=CC=CC=C2C1)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.

Sources & methodology

PubChem CID
4450
Wikidata
Q599052
Structure
PubChem → RDKit
Data refreshed

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