Supplier Page from Thermo Fisher Scientific for Pyrogallol, ACS reagent
D(+)-Melibiose monohydrate, 99+% from Thermo Fisher Scientific
D-Sorbitol, 97% from Thermo Fisher Scientific
Iron(III) acetylacetonate, 99+% from Thermo Fisher Scientific
Maleic acid, 99% from Thermo Fisher Scientific