Leflunomide Impurity 19
Impurity reference standard · Leflunomide
- CAS number
- 51135-73-0
- Molecular formula
- C7H9NO3
- Molecular weight
- 155.15
- Purity
- 95%+
- Appearance
- Colorless liquid
- Storage
- 2℃ ~ 8℃
About Leflunomide Impurity 19
Leflunomide Impurity 19 is a specified impurity of Leflunomide. It is registered under CAS number 51135-73-0.
The compound is characterised by its molecular formula C7H9NO3 and a molecular weight of 155.15, with the two-dimensional structure shown above. Because it shares the Leflunomide scaffold, it is typically used to track process-related and degradation impurities of Leflunomide 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 Leflunomide impurities
The same parent compound, neighbouring impurity numbers.
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