Supplier Page from Thermo Fisher Scientific for Bromothymol Blue
18-beta-Glycyrrhetinic acid, 98+% from Thermo Fisher Scientific
5-Hydroxyindole-3-acetic acid, 99% from Thermo Fisher Scientific
8-Hydroxyquinoline, ACS reagent from Thermo Fisher Scientific
Hexanoic acid, 99% from Thermo Fisher Scientific