Umeclidinium Impurity 18
Impurity reference standard · Umeclidinium
- CAS number
- 2253743-32-5
- Molecular formula
- C26H27NO
- Molecular weight
- 369.50
- Purity
- 95%+
- Appearance
- White to Off-White Solid
- Storage
- 2℃ ~ 8℃
About Umeclidinium Impurity 18
Umeclidinium Impurity 18 is a specified impurity of Umeclidinium. It is registered under CAS number 2253743-32-5.
The compound is characterised by its molecular formula C26H27NO and a molecular weight of 369.50, with the two-dimensional structure shown above. Because it shares the Umeclidinium scaffold, it is typically used to track process-related and degradation impurities of Umeclidinium 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 Umeclidinium impurities
The same parent compound, neighbouring impurity numbers.
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