Supplier Page from Thermo Fisher Scientific for Zinc foil, 0.25mm (0.01in) thick, Puratronic:r, 99.994% (metals basis)
1-Ethynyl-1-cyclohexanol, 99+% from Thermo Fisher Scientific
Ethyl 4-chlorobutyrate, 97% from Thermo Fisher Scientific
Ethyl chloroformate, 99% from Thermo Fisher Scientific
Ethyl cyanoacetate, 98+% from Thermo Fisher Scientific