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SHEET /m/mefenamic-acid · PubChem CID 4044 · CAS 61-68-7 · REV 2026.07

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Mefenamic acid

from source

C15H15NO2 · 241.28 g/mol

Acidum mefenamicum · Acide méfénamique · Mefenaminsaeure · Acido mefenamico

What is Mefenamic acid?

A non-steroidal anti-inflammatory sold as Ponstan and Ponstel, best known for period pain. Mefenamic acid (C15H15NO2, 241 g/mol) is a non-steroidal anti-inflammatory dispensed on prescription. from source

CategoryPrescription medicine
Chemical familyCarboxylic AcidsAminesAromatics
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Fig. 1 · 2D structure RDKit

SMILESCC1=C(C(=CC=C1)NC2=CC=CC=C2C(=O)O)C

Where you'll find it

Dispensed on prescription, not sold on a shelf. See the rest of the prescription medicine group.

Toxicity & hazards

DangerIrritantHealth hazardH302, H361, H362, H370, H371, H372from source

Keep roaming

Where Mefenamic acid leads

Relatedcomputed
Salicylic acid38% similarBoth carry a carboxylic acid group.Anthranilic acid37% similarBoth carry a carboxylic acid and an amine group.Aspirin36% similarBoth carry a carboxylic acid group.

Sources & methodology

PubChem CID
4044
Wikidata
Q284321
Structure
PubChem → RDKit
Similar molecules
MoleculeFinder fingerprint similarity
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