4-Nitrophenyl 2,3,4,6-tetra-O-acetyl-b-D-thiogalactopyranoside CAS NO.41341-55-3

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4-Nitrophenyl 2,3,4,6-tetra-O-acetyl-b-D-thiogalactopyranoside is a chemical compound used in the detection and measurement of enzyme activity. It is commonly used in research studies to investigate the activity of β-galactosidase, an enzyme involved in lactose metabolism. This compound serves as a substrate for β-galactosidase, resulting in the compoundion of a yellow compound that can be quantified spectrophotometrically.