Ceftriaxone Impurity 13
- CAS131257-07-3
- CatalogueRS-C140001
- FormulaC12H12N5O5S2.Na
- MW393.4
Product identification
| Product name | Ceftriaxone Impurity 13 |
|---|---|
| Catalogue No. | RS-C140001 |
| CAS No. | 131257-07-3 |
| Molecular formula | C12H12N5O5S2.Na |
| Molecular weight | 393.4 |
| Standard type | Impurity Reference Standards |
| Drug substance | Ceftriaxone |
| Also known as | Ceftriaxone Impurity 13 |
| 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-C140001 / 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?
Do you supply pack sizes other than those listed?
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:
- Reference standards with CAS 131257-07-3
- Catalogue number RS-C140001
- Other impurities of Ceftriaxone
- Impurity Reference Standards of this kind
- Certificate of analysis for RS-C140001
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 [email protected].
Other standards of Ceftriaxone
-
Ceftriaxone Impurity E
COA per lot -
Ceftriaxone Impurity A
COA per lot -
Ceftriaxone Impurity 10
COA per lot -
Ceftriaxone Impurity P1A
COA per lot
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.



