o-Nitrophenyl β-D-Galactopyranoside-6-phosphate Cyclohexylammonium Salt (CAS 25405-62-3)

o-Nitrophenyl β-D-Galactopyranoside-6-phosphate Cyclohexylammonium Salt, a chromogenic substrate, has been widely utilized in enzymology and molecular biology research as a substrate for β-galactosidase assays. This compound undergoes hydrolysis by β-galactosidase, an enzyme that cleaves the β-galactosidic bond, releasing o-nitrophenol, a yellow chromophore. The enzymatic activity can be quantitatively measured spectrophotometrically by monitoring the increase in absorbance at a specific wavelength, providing a convenient and sensitive method for determining β-galactosidase activity in biological samples. Furthermore, o-Nitrophenyl β-D-Galactopyranoside-6-phosphate Cyclohexylammonium Salt has been employed in kinetic studies to investigate the kinetics and mechanism of β-galactosidase-catalyzed reactions, enabling the characterization of enzyme-substrate interactions and the determination of kinetic parameters such as substrate specificity and catalytic efficiency. Additionally, this compound has been utilized in high-throughput screening assays to identify and evaluate inhibitors or activators of β-galactosidase, offering insights into the regulation of enzyme activity and its potential implications in various physiological processes. Its utility as a substrate and tool compound in enzymatic assays underscores its significance in elucidating the biology of β-galactosidase and its involvement in carbohydrate metabolism and cellular processes.