Zymo Research I1001-25 Isopropyl-B-D-thiogalactopyranoside, (IPTG), 5 x 5 mL/Unit - 11-230B | Genesee Scientific Zymo Research I1001-25 Isopropyl-B-D-thiogalactopyranoside, (IPTG), 5 x 5 mL/Unit - 11-230B | Genesee Scientific