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Analgesics and anti-inflammatories

Meclofenamic acid

Also known as meclofenamate, Arquel, 2-[(2,6-dichloro-3-methylphenyl)amino]benzoic acid

CAS 644-62-2Formula C14H11Cl2NO2Molar mass 296.15 g/molEC 211-419-5
GHS signal word: Warning. Pictograms: Harmful or irritant 57 suppliers listed Drug substance
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Meclofenamic acid chemical structure, C14H11Cl2NO2, CAS 644-62-2
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
644-62-2
Formula
C14H11Cl2NO2
Molar mass
296.15 g/mol
EC number
211-419-5
HS code
292249
Category
Analgesics and anti-inflammatories

What is Meclofenamic acid?

Plain description, key identifiers and synonyms

Meclofenamic acid is an aminobenzoic acid that is anthranilic acid in which one of the hydrogens attached to the nitrogen is replaced by a 2,6-dichloro-3-methylphenyl group. A non-steroidal anti-inflammatory drug, it is used as the sodium salt for the treatment of dysmenorrhoea (painful periods), osteoarthritis and rheumatoid arthritis. It has a role as a non-steroidal anti-inflammatory drug, an analgesic, an antipyretic, an EC 1.14.99.1 (prostaglandin-endoperoxide synthase) inhibitor, an antineoplastic agent, an anticonvulsant, an antirheumatic drug and an EC 1.13.11.34 (arachidonate 5-lipoxygenase) inhibitor. It is an aminobenzoic acid, an organochlorine compound and a secondary amino compound. It is a conjugate acid of a meclofenamic acid(1-).

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2-(2,6-dichloro-3-methylanilino)benzoic acid
CAS number
644-62-2 CAS number cross-checked
EC number
211-419-5
Molecular formula
C14H11Cl2NO2
UNII
48I5LU4ZWD
InChIKey
SBDNJUWAMKYJOX-UHFFFAOYSA-N
InChI
InChI=1S/C14H11Cl2NO2/c1-8-6-7-10(15)13(12(8)16)17-11-5-3-2-4-9(11)14(18)19/h2-7,17H,1H3,(H,18,19)
SMILES (canonical and isomeric)
CC1=C(C(=C(C=C1)Cl)NC2=CC=CC=C2C(=O)O)Cl

Synonyms

  • meclofenamate
  • Arquel
  • 2-[(2,6-dichloro-3-methylphenyl)amino]benzoic acid
  • Acido meclofenamico
  • Acide meclofenamique
  • INF 4668
  • Acidum meclofenamicum
  • N-(2,6-Dichloro-m-tolyl)anthranilic acid
  • Meclomen
  • N-(3-Methyl-2,6-dichlorophenyl)anthranilic acid
  • 2-((2,6-Dichloro-3-methylphenyl)amino)benzoic acid
  • N-(2,6-Dichloro-3-methylphenyl)anthranilic acid
  • Arquel Tablets
  • Benzoic acid, 2-((2,6-dichloro-3-methylphenyl)amino)-
  • benzoic acid, 2-[(2,6-dichloro-3-methylphenyl)amino]-
  • Arquel Granules
  • Meclofenamate, Sodium
  • Meclophenamic acid
  • Meclomen (free acid)
  • 2-(2,6-dichloro-3-methylanilino)benzoic acid
  • 2-[(2,6-dichloro-3-methyl-phenyl)amino]benzoic acid
  • Meclofenamic acid (USAN/INN)
  • meclofenamic-acid
  • 644-62-2 (free acid)
  • Anthranilic acid, N-(2,6-dichloro-m-tolyl)-
Show all 30 synonyms
  • JMS
  • CL 583
  • 2-(2,6-dichloro-3-methyl-anilino)benzoic acid
  • 2-(2,6-Dichloro-3-methylphenyl)aminobenzoic acid
  • DivK1c_000504

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
296.15 g/molcalc.
Exact mass
295.0167 Dacalc.
LogP (octanol/water)
4.74calc.
Topological polar surface area
49.33 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
3calc.
Heavy atoms
19calc.
Rings
2calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.07calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, c1ccc(Nc2ccccc2)cc1

c1ccc(Nc2ccccc2)cc1

2 rings, 13 atoms, the Diphenylamine ring system.

3,181 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Warning
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H302Harmful if swallowed.
Precautionary statements (5)
  • P264Wash skin thoroughly after handling.
  • P270Do not eat, drink or smoke when using this product.
  • P301 + P317If swallowed: Get medical help.
  • P330Rinse mouth.
  • P501Dispose of contents and container in accordance with local regulations.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Full safety data and first aid

Meclofenamic acid suppliers

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All 57 suppliers
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Where suppliers are based

57 suppliers in 15 countries

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Meclofenamic acid price

Indicative price range per kg from live supplier offers

No published prices right now

Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

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Uses and applications

What the substance is used for, by industry and function

Use classes: Pharmaceuticals, Animal Drugs.

Pharmacological actions

  • Anti-Inflammatory Agents, Non-Steroidal
  • Cyclooxygenase Inhibitors

Roles

  • analgesic
  • anti-inflammatory agent
  • anti-inflammatory drug
  • anticonvulsant
  • antineoplastic agent
  • antipyretic
  • antirheumatic drug
  • central nervous system depressant
  • central nervous system drug
  • enzyme inhibitor
  • lipoxygenase inhibitor
  • non-steroidal anti-inflammatory drug
  • pharmaceutical

Regulatory status

Inventories, regulations and trade controls that list this substance

Health and food

  • Active ingredient in FDA approved drug labels

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Meclofenamic acid is traded under.

HS 2922.49Indicative HS code

Amino-acids, other than those containing more than one kind of oxygen function, and…

World exports in 2024
$3.88B
−11.5% vs 2023, imports $3.87B
2019 to 2024
Top exporters
  1. China38.7%
  2. India * partner reported8.3%
  3. Germany8.1%
Top importers
  1. United States13.4%
  2. Germany11.1%
  3. Japan6.6%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for Meclofenamic acid is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Meclofenamic acid, based on the data on this page

What is Meclofenamic acid?

Meclofenamic acid is an aminobenzoic acid that is anthranilic acid in which one of the hydrogens attached to the nitrogen is replaced by a 2,6-dichloro-3-methylphenyl group.

What is the CAS number of Meclofenamic acid?

The CAS registry number of Meclofenamic acid is 644-62-2.

What is the molecular formula and weight of Meclofenamic acid?

The molecular formula of Meclofenamic acid is C14H11Cl2NO2 and its molar mass is 296.15 g/mol.

What is Meclofenamic acid used for?

Use classes: Pharmaceuticals, Animal Drugs.

Is Meclofenamic acid hazardous?

Meclofenamic acid carries the GHS signal word "Warning". Main hazards: harmful if swallowed. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Meclofenamic acid?

Meclofenamic acid is usually classified under HS code 292249 (Amino-acids, other than those containing more than one kind of oxygen function, and…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Meclofenamic acid?

CompoundList lists 57 suppliers of Meclofenamic acid in United States, China, Spain, Germany and 11 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Meclofenamic acid in India?

1 supplier in India list Meclofenamic acid on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of Meclofenamic acid?

Suppliers quote Meclofenamic acid on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Meclofenamic acid

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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