Conjugated Estrogens EP Impurity B
Impurity reference standard · Conjugated Estrogens
- CAS number
- 56050-05-6
- Molecular formula
- C18H21NaO5S
- Molecular weight
- 372.41
- Purity
- 95%+
- Appearance
- White to Off-White Solid
- Storage
- 2℃ ~ 8℃
About Conjugated Estrogens EP Impurity B
Conjugated Estrogens EP Impurity B is a specified impurity of Conjugated Estrogens. It is registered under CAS number 56050-05-6.
The compound is characterised by its molecular formula C18H21NaO5S and a molecular weight of 372.41, with the two-dimensional structure shown above. Because it shares the Conjugated Estrogens scaffold, it is typically used to track process-related and degradation impurities of Conjugated Estrogens 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.
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