Molekula
Ceftiofur
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
Ceftiofur is a third-generation cephalosporin antibiotic used in veterinary medicine for treating bacterial infections in livestock. It is effective against a broad spectrum of Gram-positive and Gram-negative bacteria. Available with CAS number 80370-57-6, molecular formula C19H17N5O7S3, and molecular weight 523.57 g/mol. Stored at -15 to -20 °C. Signal word: Danger. Molekula supplies Ceftiofur 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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1 g — £49.20 per pack ex VAT · £59.04 inc. VAT
Need a different quantity or pack?
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 | Cream powder |
| Identification | Conforms to reference |
| Assay | ≥95% |
| Residue on Ignition | ≤0.5% |
| Moisture | ≤5% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | -15 to -20 °C |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 81340424 |
| CAS Number | 80370-57-6 |
| IUPAC Name | (6R,7R)-7-[[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-methoxyiminoacetyl]amino]-3-(furan-2-carbonylsulfanylmethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid |
| Molecular Formula | C19H17N5O7S3 |
| Molecular Weight | 523.57 |
| Exact Mass | 523.029 |
| SMILES | CO/N=C(/C1=CSC(=N1)N)\C(=O)N[C@H]2[C@@H]3N(C2=O)C(=C(CS3)CSC(=O)C4=CC=CO4)C(=O)O |
| InChIKey | ZBHXIWJRIFEVQY-IHMPYVIRSA-N |
| InChI | InChI=1S/C19H17N5O7S3/c1-30-23-11(9-7-34-19(20)21-9)14(25)22-12-15(26)24-13(17(27)28)8(5-32-16(12)24)6-33-18(29)10-3-2-4-31-10/h2-4,7,12,16H,5-6H2,1H3,(H2,20,21)(H,22,25)(H,27,28)/b23-11-/t12-,16-/m1/s1 |
| PubChem CID | 6328657 |
| REACH Code | Y110 |
| HTS Code | 2941.90.30.00 |
| 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
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P284 Wear respiratory protection
- P303+361 IF ON SKIN (or hair): Remove immediately all contaminated clothing. Rinse with water/shower
- 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.
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
- Ceftiofur crystalline free acid
- Ceftiofur Free Acid
- Ceftiofurum
- Excede
- EXCEDE FOR SWINE
- Excede for Swine Sterile
- Excede Sterile
- Naxcel
- Naxcel (veterinary)
- Naxcel [veterinary] (TN)
Frequently asked questions
What is Ceftiofur used for?
Ceftiofur is a broad-spectrum cephalosporin antibiotic used primarily in veterinary medicine to treat bacterial infections in livestock.
What is the chemical formula and molecular weight of Ceftiofur?
The chemical formula of Ceftiofur is C19H17N5O7S3, and its molecular weight is 523.57 g/mol.
How should Ceftiofur be stored?
Ceftiofur should be stored at temperatures between -15 and -20 °C to maintain stability and potency.
What grade of Ceftiofur does Molekula supply?
Molekula supplies Ceftiofur in research-grade quality, suitable for laboratory use and formulation development.
Can Molekula supply Ceftiofur in bulk quantities?
Yes, Molekula can supply Ceftiofur in bulk quantities—please contact our sales team for volume pricing and availability.
What documentation comes with a Ceftiofur 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?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.