Tryptophan EP Impurity I
Impurity reference standard · Tryptophan
- CAS number
- 5470-37-1
- Molecular formula
- C13H14N2O2
- Molecular weight
- 230.26
- Purity
- 95%+
- Appearance
- White to Off-White Solid
- Storage
- -20℃±5℃
About Tryptophan EP Impurity I
Tryptophan EP Impurity I is a specified impurity of Tryptophan. It is registered under CAS number 5470-37-1.
The compound is characterised by its molecular formula C13H14N2O2 and a molecular weight of 230.26, 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.
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.