Molekula
Naproxen - USP CRS
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
Naproxen - USP CRS is a nonsteroidal anti-inflammatory drug (NSAID) used for the relief of pain, fever, and inflammation. It is available in crystalline form suitable for pharmaceutical formulation. CAS: 22204-53-1, Molecular Formula: C14H14O3, Molecular Weight: 230.26 g/mol, Storage: Ambient, Signal Word: Danger. Molekula supplies Naproxen - USP CRS 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
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
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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 | White to off-white crystalline powder |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 6.1 |
| Packing Group | III |
| Acidity | Acid |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | White to off-white crystalline powder |
| Odour | Practically odorless |
| Melting Point | 155 °C |
| Water Solubility | 15.9 mg/L at 25 °C |
| Solubility (other solvents) | Slightly soluble in ether; soluble in methanol, chloroform |
| pKa | pKa = 4.15 |
| log P (octanol/water) | 3.18 |
Source: PubChem CID 156391 (HSDB, DrugBank)
Identification
| Property | Value |
|---|---|
| SKU | 90036621 |
| CAS Number | 22204-53-1 |
| IUPAC Name | (2S)-2-(6-methoxynaphthalen-2-yl)propanoic acid |
| EC Number | 244-838-7 |
| Molecular Formula | CH3OC10H6CH(CH3)CO2H |
| Molecular Weight | 230.26 |
| Exact Mass | 230.0943 |
| SMILES | C[C@@H](C1=CC2=C(C=C1)C=C(C=C2)OC)C(=O)O |
| InChIKey | CMWTZPSULFXXJA-VIFPVBQESA-N |
| InChI | InChI=1S/C14H14O3/c1-9(14(15)16)10-3-4-12-8-13(17-2)6-5-11(12)7-10/h3-9H,1-2H3,(H,15,16)/t9-/m0/s1 |
| PubChem CID | 156391 |
| UN Number | UN2811 |
| REACH Code | Y110 |
| HTS Code | 29189947 |
| Tariff Code | 2918999090 |
Safety & GHS
-
Toxic
GHS06
-
Serious Health Hazard
GHS08
-
Hazardous to the Environment
GHS09
Hazard statements
- H301 Toxic if swallowed
- H317 May cause an allergic skin reaction
- H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled
- H360 May damage fertility or the unborn child
- H372 Causes damage to organs through prolonged or repeated exposure
- H411 Toxic to aquatic life with long lasting effects
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P273 Avoid release to the environment
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
- P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
- P308+313 IF exposed or concerned: Get medical advice/attention
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Portuguese, 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
No alternate names recorded for this product.
Frequently asked questions
What is Naproxen - USP CRS used for?
Naproxen - USP CRS is used in the formulation of nonsteroidal anti-inflammatory drugs (NSAIDs) for treating pain, inflammation, and fever.
What is the chemical formula and molecular weight of Naproxen - USP CRS?
The formula is C14H14O3 and the molecular weight is 230.26 g/mol.
How should Naproxen - USP CRS be stored?
It should be stored at ambient temperature, protected from moisture and light.
What grade of Naproxen - USP CRS is available?
Molekula supplies Naproxen - USP CRS, meeting USP specifications for pharmaceutical use.
Can Molekula supply Naproxen - USP CRS in bulk?
Yes, Molekula can supply Naproxen - USP CRS in bulk quantities upon request.
What documentation comes with a purchase of Naproxen - USP CRS?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) with the shipment.
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.