Alprazolam impurity 21
Impurity reference standard · Alprazolam
- CAS number
- 37945-06-5
- Molecular formula
- C16H11Cl2N3O
- Molecular weight
- 332.18
- Purity
- 95%+
- Appearance
- Yellow Solid
- Storage
- -20℃±5℃
About Alprazolam impurity 21
Alprazolam impurity 21 is a specified impurity of Alprazolam. It is registered under CAS number 37945-06-5.
The compound is characterised by its molecular formula C16H11Cl2N3O and a molecular weight of 332.18, with the two-dimensional structure shown above. Because it shares the Alprazolam scaffold, it is typically used to track process-related and degradation impurities of Alprazolam 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: -20℃±5℃.
Available from stock in milligram to gram quantities; larger or custom synthesis requirements are quoted on request.
Other Alprazolam impurities
The same parent compound, neighbouring impurity numbers.
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