Molekula
Mefenamic acid
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Mefenamic acid is a nonsteroidal anti-inflammatory drug (NSAID) primarily used as an analgesic and antipyretic to relieve pain and reduce fever. It is also employed as an anti-inflammatory agent in conditions like dysmenorrhea. This chemical has a CAS number of 61-68-7, with the molecular formula C15H15NO2 and a molecular weight of 241.29. It should be stored at ambient conditions and is classified with a signal word of Danger. Molekula supplies Mefenamic acid from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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100 g — £54.30 per pack ex VAT · £65.16 inc. VAT
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Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | Solid |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | Crystals |
| Melting Point | 230-231 °C |
| pKa | pKa = 4.2 |
Source: PubChem CID 4044 (HSDB, DrugBank)
Identification
| Property | Value |
|---|---|
| SKU | 28010819 |
| CAS Number | 61-68-7 |
| IUPAC Name | 2-(2,3-dimethylanilino)benzoic acid |
| EC Number | 200-513-1 |
| Molecular Formula | C15H15NO2 |
| Molecular Weight | 241.29 |
| Exact Mass | 241.1103 |
| SMILES | CC1=C(C(=CC=C1)NC2=CC=CC=C2C(=O)O)C |
| InChIKey | HYYBABOKPJLUIN-UHFFFAOYSA-N |
| InChI | InChI=1S/C15H15NO2/c1-10-6-5-9-13(11(10)2)16-14-8-4-3-7-12(14)15(17)18/h3-9,16H,1-2H3,(H,17,18) |
| PubChem CID | 4044 |
| REACH Code | Y110 |
| HTS Code | 29224937 |
| Tariff Code | 2922498590 |
Safety & GHS
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Health Hazard
GHS07
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Serious Health Hazard
GHS08
Hazard statements
- H302 Harmful if swallowed
- H361 Suspected of damaging fertility or the unborn child
- H372 Causes damage to organs through prolonged or repeated exposure
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+312 IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell
- P302+352 IF ON SKIN: Wash with soap and water
- P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- 2-[(2,3-dimethylphenyl)amino]benzoic acid
- Acide mefenamique
- Lysalgo
- Mephenamic acid
- Mephenaminic acid
- Methenamic acid
- Ponstan
- Ponstel
- Tanston
- Vialidon
Frequently asked questions
What is mefenamic acid used for?
Mefenamic acid is primarily used as a nonsteroidal anti-inflammatory drug (NSAID) for pain relief, particularly for dysmenorrhea (menstrual pain), and occasionally for other inflammatory conditions.
What is the chemical formula and molecular weight of mefenamic acid?
The chemical formula is **C₁₅H₁₅NO₂**, and the molecular weight is **241.29 g/mol**.
How should mefenamic acid be stored?
Store mefenamic acid at **ambient temperature** in a cool, dry place, away from direct sunlight and moisture.
What grades or purities of mefenamic acid does Molekula supply?
Molekula supplies mefenamic acid in **pharmaceutical-grade (USP/EP/BP compliant) and analytical-grade purity**—confirm specific requirements when ordering.
Can Molekula supply mefenamic acid in bulk quantities?
Yes, Molekula can supply mefenamic acid in **bulk quantities** (minimum order quantities vary; contact us for pricing and availability).
What documentation comes with a mefenamic acid order?
Each order includes a **Certificate of Analysis (CoA)**, **Material Safety Data Sheet (MSDS)**, and **batch-specific documentation** for traceability.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.