Supplier Page from Thermo Fisher Scientific for Cobalt foil, 0.127mm (0.005in) thick, 50x50mm (2x2in), 99.9% (metals basis)
Eicosanoic acid, 98% from Thermo Fisher Scientific
Ethyl pyruvate, 98% from Thermo Fisher Scientific
Eugenol, 99% from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific