CAS Registry Number

CAS 75062-54-3 — N-Tosyl-L-alanine 3-indoxyl ester

N-Tosyl-L-alanine 3-indoxyl ester is a synthetic substrate widely used in biochemical research for protease activity assays, particularly in studying serine proteases like trypsin and chymotrypsin. It produces a blue chromophore upon hydrolysis, enabling colorimetric detection of enzyme activity. This compound has a CAS number of 75062-54-3, a molecular formula of C18H18N2O4S, and a molecular weight of 358.41 g/mol. Store at 2–8°C, and handle with caution—it carries a warning signal word due to potential hazards. Molekula supplies N-Tosyl-L-alanine 3-indoxyl ester from research to bulk quantities with full documentation and ISO 9001:2015 traceability.