Trimethoprim EP Impurity D
Impurity reference standard · Trimethoprim
- CAS number
- 92440-76-1
- Molecular formula
- C14H17N3O4
- Molecular weight
- 291.30
- Purity
- 95%+
- Appearance
- White?to?off-white?solid
- Storage
- -20℃±5℃
About Trimethoprim EP Impurity D
Trimethoprim EP Impurity D is a specified impurity of Trimethoprim. It is registered under CAS number 92440-76-1.
The compound is characterised by its molecular formula C14H17N3O4 and a molecular weight of 291.30, with the two-dimensional structure shown above. Because it shares the Trimethoprim scaffold, it is typically used to track process-related and degradation impurities of Trimethoprim 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 Trimethoprim impurities
The same parent compound, neighbouring impurity numbers.
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