Promethazine Impurity 29
Impurity reference standard · Promethazine
- CAS number
- 20962-92-9
- Molecular formula
- C15H13NS
- Molecular weight
- 239.34
- Purity
- 95%+
About Promethazine Impurity 29
Promethazine Impurity 29 is a specified impurity of Promethazine. It is registered under CAS number 20962-92-9.
The compound is characterised by its molecular formula C15H13NS and a molecular weight of 239.34, with the two-dimensional structure shown above. Because it shares the Promethazine scaffold, it is typically used to track process-related and degradation impurities of 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.
Available from stock in milligram to gram quantities; larger or custom synthesis requirements are quoted on request.
Other Promethazine impurities
The same parent compound, neighbouring impurity numbers.
Need this standard, or a related one?
Send the compound name, CAS number or a structure file — we confirm availability, pack size and lead time, usually within one business day.