Supplier Page from Thermo Fisher Scientific for Copper powder, -625 mesh, APS 2-3.50 micron, 99% (metals basis)
Estrone, 99+% from Thermo Fisher Scientific
Ethyl 3-aminobenzoate, methanesulfonic acid salt, 98% from Thermo Fisher Scientific
Ethyl 4-bromocrotonate, 75%, tech from Thermo Fisher Scientific
Ethyl benzoate, 99+% from Thermo Fisher Scientific