Supplier Page from Thermo Fisher Scientific for Rubidium carbonate, Puratronic:r, 99.975% (metals basis)
Ethyl acetoacetate, 99%, pure from Thermo Fisher Scientific
Ethyl cyanoformate, 99% from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific
Iron(III) acetylacetonate, 99+% from Thermo Fisher Scientific