Metoprolol EP Impurity B
Impurity reference standard · Metoprolol
- CAS number
- 56718-71-9
- Molecular formula
- C9H12O2
- Molecular weight
- 152.19
- Purity
- 95%+
- Appearance
- Colourless Crystalline Solid
- Storage
- 2℃ ~ 8℃
About Metoprolol EP Impurity B
Metoprolol EP Impurity B is a specified impurity of Metoprolol. It is registered under CAS number 56718-71-9.
The compound is characterised by its molecular formula C9H12O2 and a molecular weight of 152.19, with the two-dimensional structure shown above. Because it shares the Metoprolol scaffold, it is typically used to track process-related and degradation impurities of Metoprolol 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: 2℃ ~ 8℃.
Available from stock in milligram to gram quantities; larger or custom synthesis requirements are quoted on request.
Other Metoprolol impurities
The same parent compound, neighbouring impurity numbers.
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