Isopropyl Thiogalactoside

IPTG; Isopropyl 1-Thio-beta-D-galactopyranoside; 1-Thio-beta-D-galactopyranoside, Isopropyl; Isopropyl 1 Thio beta D galactopyranoside; Thiogalactoside, Isopropyl
A non-metabolizable galactose analog that induces expression of the LAC OPERON.