Supplier Page from Thermo Fisher Scientific for Holmium(III) oxide, 99.9%, (Total Rare Earth Oxides), -325 mesh
4'-Fluoroacetophenone, 99% from Thermo Fisher Scientific
Ethyl acetoacetate, 99%, pure from Thermo Fisher Scientific
Ethyl chloroformate, 99% from Thermo Fisher Scientific
Fluorescein isothiocyanate isomer I, 90%, pure from Thermo Fisher Scientific