Supplier Page from Thermo Fisher Scientific for Gold powder, spherical, <5 micron, 99.95% (metals basis)
Ethanethiol, 99+% from Thermo Fisher Scientific
Ethyl butyrate, 99% from Thermo Fisher Scientific
Ethyl L(-)-lactate, 97% from Thermo Fisher Scientific
Fluorescein isothiocyanate isomer I, 90%, pure from Thermo Fisher Scientific