Estradiol Impurity 4
Impurity reference standard · Estradiol
- CAS number
- 566-75-6
- Molecular formula
- C18H22O3
- Molecular weight
- 286.37
- Purity
- 95%+
- Appearance
- Pale Yellow Solid
- Storage
- 2℃ ~ 8℃
About Estradiol Impurity 4
Estradiol Impurity 4 is a specified impurity of Estradiol. It is registered under CAS number 566-75-6.
The compound is characterised by its molecular formula C18H22O3 and a molecular weight of 286.37, with the two-dimensional structure shown above. Because it shares the Estradiol scaffold, it is typically used to track process-related and degradation impurities of Estradiol 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 Estradiol impurities
The same parent compound, neighbouring impurity numbers.
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