Cholecalciferol EP Impurity D
Impurity reference standard · Cholecalciferol
- CAS number
- 22350-43-2
- Molecular formula
- C27H44O
- Molecular weight
- 384.64
- Purity
- 95%+
- Appearance
- Yellow Solid
- Storage
- -80℃±5℃
About Cholecalciferol EP Impurity D
Cholecalciferol EP Impurity D is a specified impurity of Cholecalciferol. It is registered under CAS number 22350-43-2.
The compound is characterised by its molecular formula C27H44O and a molecular weight of 384.64, with the two-dimensional structure shown above. Because it shares the Cholecalciferol scaffold, it is typically used to track process-related and degradation impurities of Cholecalciferol 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: -80℃±5℃.
Available from stock in milligram to gram quantities; larger or custom synthesis requirements are quoted on request.
Other Cholecalciferol impurities
The same parent compound, neighbouring impurity numbers.
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