N-Malonyl DL-tryptophan reference substance is a primary reference standard with certified absolute purity (considering chromatographic purity, water, residual solvents, inorganic impurities).
The reference substance N-malonyl DL-tryptophan is a mixture of N-malonyl D-tryptophan (CAS # 3184-74-5) and N-malonyl L-tryptophan (CAS # 29399-11-9).
The substance is a mixture of N-Malonyl D-tryptophan (CAS # 3184-74-5) and N-Malonyl L-tryptophan (CAS # 29399-11-9).
Depending on the chromatographic conditions two peaks may appear in the chromatogram. Both peaks should be integrated for quantitative evaluation.
