Tacrolimus Impurity 31
Impurity reference standard · Tacrolimus
- CAS number
- 123719-19-7
- Molecular formula
- C43H69NO11
- Molecular weight
- 776.01
- Purity
- 95%+
- Appearance
- White to off-white solid
- Storage
- -20℃±5℃
About Tacrolimus Impurity 31
Tacrolimus Impurity 31 is a specified impurity of Tacrolimus. It is registered under CAS number 123719-19-7.
The compound is characterised by its molecular formula C43H69NO11 and a molecular weight of 776.01, with the two-dimensional structure shown above. Because it shares the Tacrolimus scaffold, it is typically used to track process-related and degradation impurities of Tacrolimus 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 Tacrolimus impurities
The same parent compound, neighbouring impurity numbers.
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