Fosaprepitant Impurity 42

Impurity reference standard · Fosaprepitant

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2D structure · drawn from the SMILES record
CAS number
—
Molecular formula
C34H31F7NO5P
Molecular weight
697.58
Purity
95%+
Parent compoundFosaprepitant15 impurities listed Request a quote Search the full catalogue

About Fosaprepitant Impurity 42

Fosaprepitant Impurity 42 is a specified impurity of Fosaprepitant. 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 C34H31F7NO5P and a molecular weight of 697.58, 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.

Available from stock in milligram to gram quantities; larger or custom synthesis requirements are quoted on request.

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