Molekula
Cefotaxime
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
Cefotaxime is a third-generation cephalosporin antibiotic used to treat bacterial infections, including pneumonia, meningitis, and urinary tract infections. It works by inhibiting bacterial cell wall synthesis, making it effective against a broad spectrum of Gram-positive and Gram-negative bacteria. Cefotaxime has a CAS number of 63527-52-6, a molecular formula of C16H17N5O7S2, and a molecular weight of 455.47 g/mol. It must be stored between 2 to 8°C and carries a signal word of *Danger* due to its hazardous properties. Molekula supplies Cefotaxime 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.
-
1 g — £74.30 per pack ex VAT · £89.16 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 | White to off-white powder |
| Water | ≤ 2.0% |
| Specific rotation | +56 to +64 |
| Loss on Drying | ≤ 6.0% |
| Assay | ≥ 86.0% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | 2 to 8 °C |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 85979953 |
| CAS Number | 63527-52-6 |
| IUPAC Name | (6R,7R)-3-(acetyloxymethyl)-7-[[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-methoxyiminoacetyl]amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid |
| EC Number | 264-299-1 |
| Molecular Formula | C16H17N5O7S2 |
| Molecular Weight | 455.47 |
| Exact Mass | 455.0569 |
| SMILES | CC(=O)OCC1=C(N2[C@@H]([C@@H](C2=O)NC(=O)/C(=N\OC)/C3=CSC(=N3)N)SC1)C(=O)O |
| InChIKey | GPRBEKHLDVQUJE-QSWIMTSFSA-N |
| InChI | InChI=1S/C16H17N5O7S2/c1-6(22)28-3-7-4-29-14-10(13(24)21(14)11(7)15(25)26)19-12(23)9(20-27-2)8-5-30-16(17)18-8/h5,10,14H,3-4H2,1-2H3,(H2,17,18)(H,19,23)(H,25,26)/b20-9-/t10-,14-/m1/s1 |
| PubChem CID | 5742673 |
| REACH Code | Y110 |
| HTS Code | 29419010 |
| Tariff Code | 2941900000 |
Safety & GHS
-
Health Hazard
GHS07
-
Serious Health Hazard
GHS08
Hazard statements
- H315 Causes skin irritation
- H317 May cause an allergic skin reaction
- H319 Causes serious eye irritation
- H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled
- H335 May cause respiratory irritation
Precautionary statements
- P260 Do not breathe 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
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
- Cefotaxim
- Cefotaxim Hikma
- Cefotaxima
- Cefotaxime acid
- Cefotaximum
- Cephotaxim
- Cephotaxime
- Claforan
- Klaforan
- Primafen
Frequently asked questions
What is cefotaxime used for?
Cefotaxime is a third-generation cephalosporin antibiotic used to treat bacterial infections such as pneumonia, meningitis, gonorrhea, and urinary tract infections.
What is the chemical formula and molecular weight of cefotaxime?
The chemical formula is **C₁₆H₁₇N₅O₇S₂**, and the molecular weight is **455.47 g/mol**.
How should cefotaxime be stored?
Store cefotaxime at **2–8°C** (refrigerated) to maintain stability and potency.
What grades or purity levels of cefotaxime does Molekula supply?
Molekula supplies **pharmaceutical-grade cefotaxime** suitable for research, clinical, and manufacturing applications.
Can Molekula supply cefotaxime in bulk quantities?
Yes, we offer cefotaxime in bulk quantities to meet large-scale production or research needs.
What documentation comes with a cefotaxime 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.