C14H12ClNO2
261.7 g/mol
APIDanger
Tolfenamic acid
CAS13710-19-5EC237-264-3
Category
API
Compound Class
Organic Acid
Primary Use
Pharmaceutical Raw Material
Tolfenamic acid is a nonsteroidal anti-inflammatory drug (NSAID) used as an active pharmaceutical ingredient in analgesic formulations. It is structurally related to mefenamic acid and is studied for its ability to inhibit cyclooxygenase enzymes.
active pharmaceutical ingredientresearch compound for analgesic studieschemical building block for multicomponent crystal forms
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
ReferenceSame Category
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CAS137234-62-9
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active pharmaceutical ingredient
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pharmaceutical raw material
ReferenceSame Category
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pharmaceutical raw material
Safety Reference
Danger
H301Toxic if swallowed
Customs Tariff Classification
The international HS code for Tolfenamic acid (CAS 13710-19-5) is 2922.49.
HS code (international, 6-digit)
2922.49
EU CN code (8-digit)
2922 49 85
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
2-(3-chloro-2-methylanilino)benzoic acid
InChIKey
YEZNLOUZAIOMLT-UHFFFAOYSA-N
SMILES
CC1=C(C=CC=C1Cl)NC2=CC=CC=C2C(=O)O
Synonyms (36)
- Acide tolfenamique [INN-French]
- Acido tolfenamico [INN-Spanish]
- Acidum tolfenamicum [INN-Latin]
- Tolfenamic acid (JAN/INN)
- Tolfenamic acid, European Pharmacopoeia (EP)
- Acide tolfenamique
- Acido tolfenamico
- Acidum tolfenamicum
- Bifenac
- Clotam
- Clotam (TN)
- Clotam rapid
- TOLFENAMIC ACID [MART.]
- Tolfedine
- Tolfenamic
- Tolfenamic Acid (Standard)
- Tolfenamic acid CRS
- Tolfenamic acid, NSAID
- Tolfenamic acid, VETRANAL(TM)
- Tolfine
- tolfenamic acid
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