Supplier Page from Thermo Fisher Scientific for Silver foil, 0.5mm (0.02in) thick, annealed, 99.9% (metals basis)
Ergosterol, 98% from Thermo Fisher Scientific
Ethoxymethylenemalononitrile, 98% from Thermo Fisher Scientific
Ethyl chloroacetate, 99% from Thermo Fisher Scientific
Ethyl oxalyl chloride, 98% from Thermo Fisher Scientific