Vitamin A EP Impurity A(Kitol Diacetate) (Mixture of Diastereomers)
Impurity reference standard · Vitamin A
- CAS number
- 13828-13-2
- Molecular formula
- C44H64O4
- Molecular weight
- 656.98
- Purity
- 95%+
- Appearance
- Off-White to Yellow Thick Oil to Solid
- Storage
- -80±5℃
About Vitamin A EP Impurity A(Kitol Diacetate) (Mixture of Diastereomers)
Vitamin A EP Impurity A(Kitol Diacetate) (Mixture of Diastereomers) is a specified impurity of Vitamin A. It is registered under CAS number 13828-13-2.
The compound is characterised by its molecular formula C44H64O4 and a molecular weight of 656.98, with the two-dimensional structure shown above. Because it shares the Vitamin A scaffold, it is typically used to track process-related and degradation impurities of Vitamin A 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 Vitamin A impurities
The same parent compound, neighbouring impurity numbers.
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