4-Nitrophenyl β-D-Glucopyranoside is a chromogenic substrate used to detect β-glucosidase activity in a variety of biological assays. The 1g pack provides a small-scale, concentrated source of this substrate, making it ideal for enzyme activity studies and microbiological research. When hydrolyzed by β-glucosidase, this compound undergoes a color change, providing a clear, visual indication of enzymatic activity. 4-Nitrophenyl β-D-Glucopyranoside is commonly used in studies involving carbohydrate metabolism and enzyme kinetics. It also serves as a substrate in diagnostic tests, offering a straightforward and efficient way to measure β-glucosidase activity in research applications.