Category:
Preclinical Research Services
CAS NO:
184955-21-3
Standard:
USP, EP,
Tryptophan EP Impurity B is a critical reference standard defined in the European Pharmacopoeia for quality control of tryptophan. It represents a mixture of diastereomers formed during synthesis, typically involving oxidation or racemization pathways. The molecular formula is C11H12N2O2 with CAS No. 10347-58-9.