N-Nitroso Promethazine EP Impurity C
Impurity reference standard · N-Nitroso Promethazine
- CAS number
- 94511-44-1
- Molecular formula
- C16H17N3OS
- Molecular weight
- 299.39
- Purity
- 95%+
- Appearance
- Off-White Solid
- Storage
- -20℃±5℃
About N-Nitroso Promethazine EP Impurity C
N-Nitroso Promethazine EP Impurity C is a specified impurity of N-Nitroso Promethazine. It is registered under CAS number 94511-44-1.
The compound is characterised by its molecular formula C16H17N3OS and a molecular weight of 299.39, with the two-dimensional structure shown above. Because it shares the N-Nitroso Promethazine scaffold, it is typically used to track process-related and degradation impurities of N-Nitroso Promethazine 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.
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