Supplier Page from Thermo Fisher Scientific for 12-Tungstophosphate hydrate, Reagent Grade
2-Ethylhexanoic acid, 99% from Thermo Fisher Scientific
4-Ethylresorcinol, 98% from Thermo Fisher Scientific
Ethyl 3-aminocrotonate, 98.5% from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific