Supplier Page from Thermo Fisher Scientific for Zinc foil, 2mm (0.08in) thick, Puratronic:r, 99.999% (metals basis)
Eicosanoic acid, 98% from Thermo Fisher Scientific
Ethyl 3-aminocrotonate, 98.5% from Thermo Fisher Scientific
Ethyl phenylpropiolate, 98% from Thermo Fisher Scientific
Ethylenediaminetetraacetic acid, 99%, pure from Thermo Fisher Scientific