Supplier Page from Thermo Fisher Scientific for Copper powder, -625 mesh, APS 0.50-1.5 micron, 99% (metals basis)
4-Fluorobenzyl chloride, 98% from Thermo Fisher Scientific
Ethanethiol, 99+% from Thermo Fisher Scientific
Ethyl acetoacetate, 99%, pure from Thermo Fisher Scientific
Ethyl chloroformate, 99% from Thermo Fisher Scientific