Molekula
Cefoxitin sodium salt
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
Cefoxitin sodium salt is a semi-synthetic cephamycin antibiotic used in research and clinical settings to study bacterial resistance and treat infections caused by susceptible Gram-positive and Gram-negative organisms. It is available in powder form with a molecular formula of C16H16N3NaO7S2, a molecular weight of 449.44 g/mol, and a CAS number of 33564-30-6. Store at 2 to 8 °C. Signal word: Warning. Molekula supplies Cefoxitin sodium salt 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.
Often bought together
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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1 g — £153.60 per pack ex VAT · £184.32 inc. VAT
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Specifications
| Property | Value |
|---|---|
| Appearance | White to off-white, granules or powder |
| Water | ≤ 1.0% |
| Specific rotation | +206 to +214° |
| Heavy metals | ≤ 0.002% |
| Identification | A: The chromatogram of the assay preparation obtained as directed in the assay exhibits a major peak for cefoxitin, the retention time of which corresponds to that exhibited in the chromatogram of the standard preparation obtained as directed in the Assay. B: UV. C: It responds to tests for sodium.C: IR |
| pH | 4.2~7.0 |
| Solubility | Very soluble in water. Soluble in methanol. Sparingly soluble in DMF and acetone. Insoluble in ether and chloroform |
| Sterility | Meets the requirement |
| Crystallinity | Meets the requirement |
| Bacterial endotoxins | ≤ 0.2EU/mg |
| Assay (Anhydrous) | 92.7~97.0% (as C16H16N3O7S2); 97.5~102.0% (as C16H16N3NaO7S2) |
| Limit of Acetone | ≤ 0.7% |
| Limit of Methanol | ≤ 0.1% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | 2 to 8 °C |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 40351828 |
| CAS Number | 33564-30-6 |
| IUPAC Name | sodium (6R,7S)-3-(carbamoyloxymethyl)-7-methoxy-8-oxo-7-[(2-thiophen-2-ylacetyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate |
| EC Number | 251-574-6 |
| Molecular Formula | C16H16N3NaO7S2 |
| Molecular Weight | 449.44 |
| Exact Mass | 449.0327 |
| SMILES | CO[C@@]1([C@@H]2N(C1=O)C(=C(CS2)COC(=O)N)C(=O)[O-])NC(=O)CC3=CC=CS3.[Na+] |
| InChIKey | GNWUOVJNSFPWDD-XMZRARIVSA-M |
| InChI | InChI=1S/C16H17N3O7S2.Na/c1-25-16(18-10(20)5-9-3-2-4-27-9)13(23)19-11(12(21)22)8(6-26-15(17)24)7-28-14(16)19;/h2-4,14H,5-7H2,1H3,(H2,17,24)(H,18,20)(H,21,22);/q;+1/p-1/t14-,16+;/m1./s1 |
| PubChem CID | 23667300 |
| REACH Code | Y110 |
| HTS Code | 2941903000 |
| Tariff Code | 2941900000 |
Safety & GHS
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Health Hazard
GHS07
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Serious Health Hazard
GHS08
Hazard statements
- H317 May cause an allergic skin reaction
- H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- 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
- P308+313 IF exposed or concerned: Get medical advice/attention
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Portuguese, Russian, Spanish, Swedish.
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
- Betacef
- Cefoxitin and Dextrose
- Cefoxitin and dextrose in duplex container
- CEFOXITIN IN PLASTIC CONTAINER
- CEFOXITIN SODIUM
- Mefoxin
- MEFOXIN IN PLASTIC CONTAINER
- Merxin
- Monosodium cefoxitin
- Sodium, Cefoxitin
Frequently asked questions
What is Cefoxitin sodium salt used for?
Cefoxitin sodium salt is a cephamycin antibiotic used primarily to treat bacterial infections, including those caused by Gram-positive and Gram-negative organisms.
What is the chemical formula and molecular weight of Cefoxitin sodium salt?
The formula is C16H16N3NaO7S2 and the molecular weight is 449.44 g/mol.
How should Cefoxitin sodium salt be stored?
It should be stored at 2 to 8 °C, protected from light and moisture.
What grade of Cefoxitin sodium salt is available?
Molekula supplies Cefoxitin sodium salt in pharmaceutical grade, suitable for research and clinical use.
Can Molekula supply Cefoxitin sodium salt in bulk?
Yes, Molekula can supply Cefoxitin sodium salt in bulk quantities—please contact our sales team for pricing and availability.
What documentation comes with a Cefoxitin sodium salt order?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS); additional documentation can be provided upon request.
Ready to order or need a custom pack?
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