Supplier Page from Thermo Fisher Scientific for Iron slug, 3.175mm (0.125in) dia x 3.175mm (0.125in) length, 99.95% (metals basis)
Eicosanoic acid, 98% from Thermo Fisher Scientific
Ethyl (ethoxymethylene)cyanoacetate, 98% from Thermo Fisher Scientific
Ethyl phenylpropiolate, 98% from Thermo Fisher Scientific
Ethyltriphenylphosphonium bromide, 98% from Thermo Fisher Scientific