Fosaprepitant Impurity 38
Impurity reference standard · Fosaprepitant
- CAS number
- 990-91-0
- Molecular formula
- C28H28O7P2
- Molecular weight
- 538.47
- Purity
- 95%+
- Appearance
- White to Off-White Solid
- Storage
- 2℃ ~ 8℃
About Fosaprepitant Impurity 38
Fosaprepitant Impurity 38 is a specified impurity of Fosaprepitant. It is registered under CAS number 990-91-0.
The compound is characterised by its molecular formula C28H28O7P2 and a molecular weight of 538.47, with the two-dimensional structure shown above. Because it shares the Fosaprepitant scaffold, it is typically used to track process-related and degradation impurities of Fosaprepitant 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 Fosaprepitant impurities
The same parent compound, neighbouring impurity numbers.
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