Fulvestrant impurity 39
Impurity reference standard · Fulvestrant
- CAS number
- —
- Molecular formula
- C29H43BrO3
- Molecular weight
- 519.55
- Purity
- 95%+
About Fulvestrant impurity 39
Fulvestrant impurity 39 is a specified impurity of Fulvestrant. 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 C29H43BrO3 and a molecular weight of 519.55, with the two-dimensional structure shown above. Because it shares the Fulvestrant scaffold, it is typically used to track process-related and degradation impurities of Fulvestrant 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.
Other Fulvestrant impurities
The same parent compound, neighbouring impurity numbers.
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