Supplier Page from Thermo Fisher Scientific for Zinc foil, 1.0mm (0.04in) thick, Puratronic:r, 99.9985% (metals basis)
4-Ethylphenol, 97% from Thermo Fisher Scientific
4-Ethylresorcinol, 98% from Thermo Fisher Scientific
Ethyl 4,4,4-trifluoroacetoacetate, 97% from Thermo Fisher Scientific
Ethylenediaminetetraacetic acid, tetrasodium salt hydrate, 98%, pure from Thermo Fisher Scientific