2-Chloro-4-nitrophenyl-Beta-D-lactoside(AB275090)

MW 497.8 Da, Purity >98%. Highly sensitive lactosidase, yellow coloured probe that releases the product 2-chloro-4-nitrophenol (CNP). Can be monitored spectrophotometrically at 405 nm. The rate of formation of 2-chloro-4-nitrophenol is directly proportional to the lactosidase activity in the sample. The pKa of CNP is approximately 5.5.