Entacapone Impurity 33
Impurity reference standard · Entacapone
- CAS number
- 144683-49-8
- Molecular formula
- C8H7NO5
- Molecular weight
- 197.14
- Purity
- 95%+
About Entacapone Impurity 33
Entacapone Impurity 33 is a specified impurity of Entacapone. It is registered under CAS number 144683-49-8.
The compound is characterised by its molecular formula C8H7NO5 and a molecular weight of 197.14, with the two-dimensional structure shown above. Because it shares the Entacapone scaffold, it is typically used to track process-related and degradation impurities of Entacapone 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.
Available from stock in milligram to gram quantities; larger or custom synthesis requirements are quoted on request.
Other Entacapone impurities
The same parent compound, neighbouring impurity numbers.
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