2-Chloro-4-Nitrophenyl-beta-D-lactoside, Fluorescent Substrate for Cellulases, 25mg 2-Chloro-4-Nitrophenyl-beta-D-lactoside, Fluorescent Substrate for Cellulases, 25mg, Price is in Effect for Quantities of 5 or More 2-Chloro-4-nitrophenyl-beta-D-lactoside