Phenylbutazone EP Impurity A
Impurity reference standard · Phenylbutazone
- CAS number
- 3583-64-0
- Molecular formula
- C19H22N2O3
- Molecular weight
- 326.39
- Purity
- 95%+
About Phenylbutazone EP Impurity A
Phenylbutazone EP Impurity A is a specified impurity of Phenylbutazone. It is registered under CAS number 3583-64-0.
The compound is characterised by its molecular formula C19H22N2O3 and a molecular weight of 326.39, with the two-dimensional structure shown above. Because it shares the Phenylbutazone scaffold, it is typically used to track process-related and degradation impurities of Phenylbutazone 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.
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