ONPG

Description: ONPG (2-Nitrophenyl beta-D-galactopyranoside) is a colorimetric and spectrophotometric substrate used to detect beta-galactosidase activity. Target: Others. Smiles: O([C@@H]1O[C@H](CO)[C@H](O)[C@H](O)[C@H]1O)C2=C(N(=O)=O)C=CC=C2. References: Zhang X, et al. Metagenomic approach for the isolation of a thermostable beta-galactosidase with high tolerance of galactose and glucose from soil samples of Turpan Basin. BMC Microbiol. 2013 Oct 24,13:237.