Supplier Page from Thermo Fisher Scientific for Hydrogen tetrachloroaurate(III) hydrate, 99.9% (metals basis), Au 49% min
2(2-Ethoxyethoxy)ethanol, 98+% from Thermo Fisher Scientific
3-Fluorobenzoic acid, 99% from Thermo Fisher Scientific
Estrone, 99+% from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific