Supplier Page from Thermo Fisher Scientific for Silver foil, 0.5mm (0.02in) thick, annealed, 99.9% (metals basis)
4-Fluorobenzyl chloride, 98% from Thermo Fisher Scientific
Esculin hydrate, 97% from Thermo Fisher Scientific
Ethyl 3-aminocrotonate, 98.5% from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific