Supplier Page from Thermo Fisher Scientific for Cobalt(II) nitrate hexahydrate, 99%, pure
Esculin hydrate, 97% from Thermo Fisher Scientific
Ethyl 3-aminocrotonate, 98.5% from Thermo Fisher Scientific
Ethylenediaminetetraacetic acid, 99%, pure from Thermo Fisher Scientific
Iron(III) acetylacetonate, 99+% from Thermo Fisher Scientific