Cefoxitin impurities and related standards
4 reference standards related to Cefoxitin held in the RSSE catalogue — pharmacopoeial impurities, non-compendial impurities, metabolites and labelled analogues where available.
CAS numbers are listed for 4 of 4; 4 entries carry a structure drawing.
| Compound | CAS No. | Catalogue No. | Formula | MW |
|---|---|---|---|---|
| Cefoxitin EP Impurity B | 1422023-32-2 | RS-C054002 | C16H17N3O7S2 | 427.45 |
| Cefoxitin Impurity E | 2395025-32-6 | RS-C054003 | C17H19N3O8S2 | 457.48 |
| Cefoxitin Impurity F | 2395025-37-1 | RS-C054004 | C17H19N3O8S2 | 457.48 |
| Cefoxitin EP Impurity C | 10590-10-0 | RS-C054001 | C14H12N2O4S2 | 336.39 |
Structures
-
Cefoxitin EP Impurity B
COA per lot -
Cefoxitin Impurity E
COA per lot -
Cefoxitin Impurity F
COA per lot -
Cefoxitin EP Impurity C
COA per lot
Cannot find the impurity you need? Non-compendial impurities can be quoted from a structure — a CAS number is not required. Write to [email protected].