Trimethoprim EP Impurity I(Mixture of cis/trans isomers)
Impurity reference standard · Trimethoprim
- CAS number
- 30078-48-9
- Molecular formula
- C19H20N2O3
- Molecular weight
- 324.37
- Purity
- 95%+
- Appearance
- White to Off-White Powder
- Storage
- 2℃ ~ 8℃
About Trimethoprim EP Impurity I(Mixture of cis/trans isomers)
Trimethoprim EP Impurity I(Mixture of cis/trans isomers) is a specified impurity of Trimethoprim. It is registered under CAS number 30078-48-9.
The compound is characterised by its molecular formula C19H20N2O3 and a molecular weight of 324.37, 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: 2℃ ~ 8℃.
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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