Betamethasone Impurity 40
Impurity reference standard · Betamethasone
- CAS number
- 1815577-58-2 (free base)
- Molecular formula
- C22H29FO11P2 · 2*C16H36N
- Molecular weight
- 550.40 · 2*242.46
- Purity
- 95%+
- Appearance
- White to Off-White Solid
- Storage
- 2℃ ~ 8℃
About Betamethasone Impurity 40
Betamethasone Impurity 40 is a specified impurity of Betamethasone. It is registered under CAS number 1815577-58-2.
The compound is characterised by its molecular formula C22H29FO11P2 · 2*C16H36N and a molecular weight of 550.40 · 2*242.46, with the two-dimensional structure shown above. Because it shares the Betamethasone scaffold, it is typically used to track process-related and degradation impurities of Betamethasone 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 Betamethasone impurities
The same parent compound, neighbouring impurity numbers.
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