Ceftriaxone EP Impurity E
Impurity reference standard · Ceftriaxone
- CAS number
- 58909-56-1
- Molecular formula
- C12H13N5O5S2
- Molecular weight
- 371.39
- Purity
- 95%+
- Appearance
- White to off-white solid
- Storage
- -20℃±5℃
About Ceftriaxone EP Impurity E
Ceftriaxone EP Impurity E is a specified impurity of Ceftriaxone. It is registered under CAS number 58909-56-1.
The compound is characterised by its molecular formula C12H13N5O5S2 and a molecular weight of 371.39, with the two-dimensional structure shown above. Because it shares the Ceftriaxone scaffold, it is typically used to track process-related and degradation impurities of Ceftriaxone during method development, forced degradation and stability studies.
Each pack ships with a certificate of analysis reporting purity of 95%+ together with the supporting analytical data — HNMR, MS and HPLC or GC traces — so the material can be released straight into your own QC workflow. Recommended storage: -20℃±5℃.
Available from stock in milligram to gram quantities; larger or custom synthesis requirements are quoted on request.
Other Ceftriaxone impurities
The same parent compound, neighbouring impurity numbers.
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