Vitamin A Impurity 18
Impurity reference standard · Vitamin A
- CAS number
- —
- Molecular formula
- C73H122O4
- Molecular weight
- 1063.75
- Purity
- 95%+
- Storage
- 2℃ ~ 8℃
About Vitamin A Impurity 18
Vitamin A Impurity 18 is a specified impurity of Vitamin A. It has no single publicly registered CAS number, so it is defined by the structure and molecular formula below.
The compound is characterised by its molecular formula C73H122O4 and a molecular weight of 1063.75, 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: 2℃ ~ 8℃.
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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