CAS Registry Number

CAS 3150-24-1 — 4-Nitrophenyl-beta-D-galactopyranoside

4-Nitrophenyl-beta-D-galactopyranoside is a synthetic substrate widely used in biochemical assays to detect beta-galactosidase enzyme activity, particularly in molecular biology and diagnostics. It releases a yellow 4-nitrophenolate product upon hydrolysis, allowing colorimetric quantification. Catalogue details: CAS 3150-24-1, molecular formula C12H15NO8, molecular weight 301.25 g/mol, and requires storage at -15 to -20°C. Molekula supplies 4-Nitrophenyl-beta-D-galactopyranoside from research to bulk quantities with full documentation and ISO 9001:2015 traceability.