Omeprazole EP Impurity I
Impurity reference standard · Omeprazole
- CAS number
- 158812-85-2
- Molecular formula
- C17H19N3O5S
- Molecular weight
- 377.41
- Purity
- 95%+
- Appearance
- White to off-white solid
- Storage
- 2℃ ~ 8℃
About Omeprazole EP Impurity I
Omeprazole EP Impurity I is a specified impurity of Omeprazole. It is registered under CAS number 158812-85-2.
The compound is characterised by its molecular formula C17H19N3O5S and a molecular weight of 377.41, with the two-dimensional structure shown above. Because it shares the Omeprazole scaffold, it is typically used to track process-related and degradation impurities of Omeprazole 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 Omeprazole impurities
The same parent compound, neighbouring impurity numbers.
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