Tryptophan EP Impurity A
Impurity reference standard · Tryptophan
- CAS number
- 132685-02-0
- Molecular formula
- C24H26N4O4
- Molecular weight
- 434.49
- Purity
- 95%+
- Appearance
- Pale Yellow to Pale Beige Solid
- Storage
- -20℃±5℃
About Tryptophan EP Impurity A
Tryptophan EP Impurity A is a specified impurity of Tryptophan. It is registered under CAS number 132685-02-0.
The compound is characterised by its molecular formula C24H26N4O4 and a molecular weight of 434.49, with the two-dimensional structure shown above. Because it shares the Tryptophan scaffold, it is typically used to track process-related and degradation impurities of Tryptophan 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 Tryptophan impurities
The same parent compound, neighbouring impurity numbers.
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