Supplier Page from Thermo Fisher Scientific for Cobalt foil, 0.05mm (0.002in) thick, 99.95% (metals basis)
Emodin, 95%, tech from Thermo Fisher Scientific
Ethyl acetoacetate, 99%, pure from Thermo Fisher Scientific
Ethyl cyanoformate, 99% from Thermo Fisher Scientific
Ethyl N-piperazinecarboxylate, 99% from Thermo Fisher Scientific