CAS Registry Number

CAS 129541-41-9 — 5-Bromo-4-chloro-3-indolyl-beta-D-glucuronide sodium salt

5-Bromo-4-chloro-3-indolyl-beta-D-glucuronide sodium salt is a chromogenic substrate widely used in molecular biology and biochemistry for detecting glucuronidase activity, particularly in blue-white screening for recombinant DNA studies. This high-purity compound yields a blue indigo precipitate upon hydrolysis by beta-glucuronidase, enabling easy visualization of enzyme activity. CAS 129541-41-9, molecular formula C14H12BrClNNaO7, molecular weight 444.59 g/mol, requires storage at -15 to -20°C. No signal word applies. Molekula supplies 5-Bromo-4-chloro-3-indolyl-beta-D-glucuronide sodium salt from research to bulk quantities with full documentation and ISO 9001:2015 traceability.