Neostigmine Impurity 21
Impurity reference standard · Neostigmine
- CAS number
- 3958-86-9
- Molecular formula
- C8H9NO2
- Molecular weight
- 151.16
- Purity
- 95%+
About Neostigmine Impurity 21
Neostigmine Impurity 21 is a specified impurity of Neostigmine. It is registered under CAS number 3958-86-9.
The compound is characterised by its molecular formula C8H9NO2 and a molecular weight of 151.16, with the two-dimensional structure shown above. Because it shares the Neostigmine scaffold, it is typically used to track process-related and degradation impurities of Neostigmine 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 Neostigmine impurities
The same parent compound, neighbouring impurity numbers.
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