Supplier Page from Thermo Fisher Scientific for Cerium(III) sulfate, 99.9%, (REO=Rare Earth Oxides)
4-Fluoroaniline, 98% from Thermo Fisher Scientific
Esculin hydrate, 97% from Thermo Fisher Scientific
Ethyl butyrate, 99% from Thermo Fisher Scientific
Ethylenediaminetetraacetic acid, 99%, pure from Thermo Fisher Scientific