2-Nitrophenyl-β-D-galactopyranoside or ONPG is a chromogenic substrate for β-galactosidase. Upon hydrolysis, ONPG releases galactose along with a chromogenic yellow compound. Additionally, ONPG is a substrate useful for the determination of β-glucosidases.
Formula: C 12H15NO8
MW: 301.26 g/mol
Storage/Handling: Store at -15°C and protect from light.
N-275-100, N-275-250, N-275-50, N-275-500