Cefotaxime
- CAS79232-66-9
- CatalogueRS-C130015
- FormulaC5H6BrNO4
- MW224.01
On this page
Product identification
| Product name | Cefotaxime |
|---|---|
| Catalogue No. | RS-C130015 |
| CAS No. | 79232-66-9 |
| Molecular formula | C5H6BrNO4 |
| Molecular weight | 224.01 |
| Availability | Custom synthesis— made to order, typically 3–4 weeks |
| Standard type | Fine Chemicals |
| Drug substance | Cefotaxime |
| Also known as | (2Z)-4-Bromo-2-(methoxyimino)-3-oxobutanoic Acid |
| Storage | 2-8°C Refrigerator |
| Intended use | For laboratory and research use only. Not for human or veterinary use. |
What is stated on the certificate
Content and purity are assigned per lot and stated on the certificate of analysis issued for the batch you receive — they are not a catalogue-level figure. The certificate records the tests performed, the specification applied and the result obtained for that lot.
| Field | Basis |
|---|---|
| Identity | Spectroscopic and chromatographic methods appropriate to the material |
| Purity | Chromatographic purity, area normalisation unless stated otherwise |
| Assay / content | Mass balance, corrected for the stated volatiles and residue |
| Catalogue and batch numbers | RS-C130015 / batch number on the certificate |
| Retest date | Printed on the certificate for the lot supplied |
Frequently asked
What documentation is supplied with this lot?
Is the assigned value given on an “as is” basis?
How should this material be stored?
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Finding this standard
Buyers reach this compound by CAS number, by catalogue number, through the drug substance it belongs to, or through the type of standard it is. Those routes all start here:
- Other impurities of Cefotaxime
- Fine Chemicals of this kind
- Documents for this item (COA, SDS)
- Certificate of analysis for RS-C130015
- Request a quotation for RS-C130015
Searching another way? Send the structure, a SMILES string or the pharmacopoeial name — a CAS number is not required for a non-compendial impurity. Write to sales@rssechem.com.
Other standards of Cefotaxime
All 31 further standards are listed here — every link is in the page, not loaded later.
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Cefotaxime EP Impurity C
IN STOCKRS-C130010 -
Cefotaxime EP Impurity D
CUSTOM SYNTHESISRS-C130005 -
Cefotaxime EP Impurity D Sodium
IN STOCKRS-C130014 -
Cefotaxime EP Impurity F
IN STOCKRS-C130003 -
Cefotaxime EP Impurity G
BACK ORDERRS-C130013 -
Cefotaxime USP Impurity H
IN STOCKRS-C130007 -
Cefotaxime USP Impurity K
BACK ORDERRS-C130011 -
Cefotaxime Impurity A
IN STOCKRS-C130006 -
Cefotaxime Impurity B
IN STOCKRS-C130008 -
Cefotaxime Impurity K
BACK ORDERRS-C130004 -
Cefotaxime Impurity L,E- Cefotaxime Impurity E
IN STOCKRS-C130012 -
Cefotaxime Impurity Q
IN STOCKRS-C130009 -
(Z)-ethyl 4-bromo-2-(methoxyimino)-3-oxobutanoate
CUSTOM SYNTHESISRS-C130054 -
3-Desacetyl Cefotaxime Sodium SaltDISCONTINUED, offer D295530
BACK ORDERRS-Z401K21 -
Cefotaxime S-Oxide 2
BACK ORDERRS-C130017 -
Cefotaxime Impurity 5
BACK ORDERRS-C130016 -
Cefotaxime Impurity 18
BACK ORDERRS-C130002 -
Cefotaxime Impurity 23
BACK ORDERRS-I001BWA -
Cefotaxime Impurity 27
BACK ORDERRS-I001AU2 -
Cefotaxime Impurity 37
CUSTOM SYNTHESISRS-I001BI5 -
Cefotaxime Impurity 61
BACK ORDERRS-I001777 -
Cefotaxime Impurity 66
BACK ORDERRS-I001797 -
Cefotaxime Impurity 69
IN STOCKRS-I001B29 -
Cefotaxime Impurity 78
BACK ORDERRS-I001ASV -
Cefotaxime Impurity 79
BACK ORDERRS-I001A4A -
Cefotaxime Impurity 88
BACK ORDERRS-C130018 -
Cefotaxime Impurity 89
BACK ORDERRS-C130019 -
Cefotaxime impurity 94
BACK ORDERRS-I001AK9 -
Cefotaxime Impurity 96
CUSTOM SYNTHESISRS-I001BBU -
Cefotaxime Impurity 114
IN STOCKRS-U096576
Pharmacopoeial names (EP, USP, BP, JP) are used for identification purposes only and do not imply endorsement by those bodies. This product is supplied for laboratory and research use only — not for human or veterinary use.















![Chemical structure of sodium (6R,7R)-3-(acetoxymethyl)-7-((Z)-2-(2-aminothiazol-4-yl)-2-(methoxyimino)acetamido)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylate](/structures/w4/KBPQKWBSCRXELD-IDHMCXOWSA-M.webp?v=7)













