Supplier Page from Thermo Fisher Scientific for Copper powder, -625 mesh, APS 0.50-1.5 micron, 99% (metals basis)
3-Ethoxy-2-cyclohexen-1-one, 99% from Thermo Fisher Scientific
Estrone, 99+% from Thermo Fisher Scientific
Ethyl oxalyl chloride, 98% from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific