Supplier Page from Thermo Fisher Scientific for Gold powder, spherical, APS 3.0-5.5 micron, 99.96+% (metals basis)
2-Ethoxyethyl ether, 98+%, extra pure from Thermo Fisher Scientific
Ethyl 3-aminobenzoate, methanesulfonic acid salt, 98% from Thermo Fisher Scientific
Ethyl cyanoacetate, 98+% from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific