Ceftiofur impurities and related standards
2 reference standards related to Ceftiofur held in the RSSE catalogue — pharmacopoeial impurities, non-compendial impurities, metabolites and labelled analogues where available.
CAS numbers are listed for 2 of 2; 2 entries carry a structure drawing.
| Compound | CAS No. | Catalogue No. | Formula | MW |
|---|---|---|---|---|
| Ceftiofur USP Impurity J,(E)-Ceftiofur | 120882-20-4 | RS-C116001 | C19H17N5O7S3 | 523.55 |
| Ceftiofur USP Impurity I, Δ3-Ceftiofur | 120962-17-6 | RS-C116002 | C19H17N5O7S3 | 523.55 |
Structures
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Ceftiofur USP Impurity J,(E)-Ceftiofur
COA per lot -
Ceftiofur USP Impurity I, Δ3-Ceftiofur
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].