Supplier Page from Thermo Fisher Scientific for Aluminum foil, 1.0mm (0.04in) thick, Puratronic:r, 99.998% (metals basis)
1,2-Ethanedithiol, 95% from Thermo Fisher Scientific
Ethyl 4-bromocrotonate, 75%, tech from Thermo Fisher Scientific
Ethyl 4-chlorobutyrate, 97% from Thermo Fisher Scientific
Ethyl butyrylacetate, 98% from Thermo Fisher Scientific