N 3212 (OTTO) 4-Nitrophenyl β-D-glucopyranoside, ≥98% Cas 2492-87-7 - used for the measurement of beta-glucosidase activity. N 3212 (OTTO) 4-Nitrophenyl β-D-glucopyranoside, ≥98% Cas 2492-87-7 - used in research, biochemical enzyme assays and in vitro diagnostic analysis.