Supplier Page from Thermo Fisher Scientific for Copper powder, -325 mesh, 10% max +325 mesh, 99% (metals basis)
4-Fluoroaniline, 98% from Thermo Fisher Scientific
Esculin hydrate, 97% from Thermo Fisher Scientific
Ethyl N-piperazinecarboxylate, 99% from Thermo Fisher Scientific
Ethylenediaminetetraacetic acid, tetrasodium salt hydrate, 98%, pure from Thermo Fisher Scientific