Crisaborole Impurity 43
Impurity reference standard · Crisaborole
- CAS number
- 58380-11-3
- Molecular formula
- C7H5BrO3
- Molecular weight
- 217.02
- Purity
- 95%+
- Appearance
- White to Pale Beige Solid
- Storage
- 2℃ ~ 8℃
About Crisaborole Impurity 43
Crisaborole Impurity 43 is a specified impurity of Crisaborole. It is registered under CAS number 58380-11-3.
The compound is characterised by its molecular formula C7H5BrO3 and a molecular weight of 217.02, with the two-dimensional structure shown above. Because it shares the Crisaborole scaffold, it is typically used to track process-related and degradation impurities of Crisaborole 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 Crisaborole impurities
The same parent compound, neighbouring impurity numbers.
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