Supplier Page from Thermo Fisher Scientific for Europium(III) carbonate hydrate, REacton:r, 99.99% (REO)
9-Fluorenone, 99+% from Thermo Fisher Scientific
Estrone, 99+% from Thermo Fisher Scientific
Ethyl propiolate, 99% from Thermo Fisher Scientific
Fluorescein isothiocyanate isomer I, 90%, pure from Thermo Fisher Scientific