Rapamycin Impurity 22
Impurity reference standard · Rapamycin
- CAS number
- 185107-79-3
- Molecular formula
- C51H81NO14
- Molecular weight
- 932.19
- Purity
- 95%+
- Appearance
- White to Off-White Crystalline Solid
- Storage
- -20℃±5℃
About Rapamycin Impurity 22
Rapamycin Impurity 22 is a specified impurity of Rapamycin. It is registered under CAS number 185107-79-3.
The compound is characterised by its molecular formula C51H81NO14 and a molecular weight of 932.19, with the two-dimensional structure shown above. Because it shares the Rapamycin scaffold, it is typically used to track process-related and degradation impurities of Rapamycin 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: -20℃±5℃.
Available from stock in milligram to gram quantities; larger or custom synthesis requirements are quoted on request.
Other Rapamycin impurities
The same parent compound, neighbouring impurity numbers.
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