4-Nitrophenyl-2-acetamido-2-deoxy-β-D-glucopyranoside (E2965-GRP)

4-Nitrophenyl-2-acetamido-2-deoxy-β-D-glucopyranoside is a useful substrate for rapid colorimetric assay of N-acetyl-b-glucosaminidase activity in human urine. Chromogenic β-Glucosaminidase substrate yielding a yellow solution upon cleavage, employed particularly in yeasts and molds.