4-Nitrophenyl butyrate (4-NPB) is a colorimetric substrate for lipases.
CAS：2635-84-9
分子式：C10H11NO4
分子量：209.2
纯度：98%
存储：Store at -20°C

Background:

4-Nitrophenyl butyrate (4-NPB) is a colorimetric substrate for lipases. Upon hydrolysis, 4-NPB is converted into p-nitrophenoxide, which can be monitored using UV-Vis spectrophotometry at 400 nm to quantify lipase activity.