

4-Nitrophenyl β-D-cellobioside (Highly Pure) by Molecular Depot is a 4-nitrophenyl β-D-cellobioside, a substrate for assaying β-cellobiosidase and cellobiohydrolase activity. Cleavage releases 4-nitrophenol, which is yellow in alkaline solution and read at 405 nm. It is used to measure cellobiohydrolase and related cellulase activity colorimetrically. Each unit contains 50 mg. MBP supplies Molecular Depot carbohydrate reagents to research labs in the United States, Canada and worldwide.