Methylumbelliferyl β-D Glucuronide Trihydrate, 1 g is a highly sensitive biochemical reagent used in the detection and study of glucuronidase enzyme activity. The substrate is hydrolyzed by glucuronidases to produce a fluorescent product that can be quantified, making it valuable for enzyme assays in biochemical research. It is used in clinical diagnostics, microbiological testing, and enzyme kinetics studies to measure glucuronidase activity. The high purity and sensitivity of this reagent make it suitable for detecting low enzyme concentrations, ensuring precise and reproducible results in applications that require accurate enzyme activity quantification.