E-Cefepime
Impurity reference standard
- CAS number
- —
- InChIKey
- MMRINLZOZVAPDZ-WMTBNSNDSA-N
- Molecular formula
- C19H25ClN6O5S2
- Molecular weight
- 517.02
- Exact mass
- 516.1016 Da
- Purity
- 95%+
- Storage
- -20±5℃
About E-Cefepime
E-Cefepime is supplied as an analytical reference standard. It has no single publicly registered CAS number, so it is defined by the structure and molecular formula below.
The compound is characterised by its molecular formula C19H25ClN6O5S2 and a molecular weight of 517.02, with the two-dimensional structure shown above.
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.
Frequently asked questions
What purity does E-Cefepime ship at?
E-Cefepime is supplied at 95%+, as stated on the certificate of analysis issued with each pack.
Does E-Cefepime come with a certificate of analysis?
Yes. Every pack ships with a certificate of analysis plus the supporting analytical data — HNMR, MS and HPLC or GC traces.
How is E-Cefepime uniquely identified?
The InChIKey MMRINLZOZVAPDZ-WMTBNSNDSA-N identifies the structure unambiguously, so it can be matched against your own registry or a public database.
Is a structure file available for E-Cefepime?
Yes. The two-dimensional structure is drawn on this page from the SMILES record, and the SMILES or a molfile can be supplied on request.
What pack sizes are available for E-Cefepime?
Standard packs run from milligram to gram quantities and ship from stock. Larger or custom synthesis requirements are quoted on request.
How should E-Cefepime be stored?
Recommended storage: -20±5℃.
Need this standard, or a related one?
Send the compound name, CAS number or a structure file — we confirm availability, pack size and lead time, usually within one business day.