Supplier Page from Thermo Fisher Scientific for Potassium oxalate monohydrate, ACS, 98.5-101.0%
8-Hydroxyquinoline, ACS reagent from Thermo Fisher Scientific
D(+)-Melibiose monohydrate, 99+% from Thermo Fisher Scientific
Imidazole, 99% from Thermo Fisher Scientific
Inositol, 98+% from Thermo Fisher Scientific