Supplier Page from Thermo Fisher Scientific for Yttrium(III) nitrate hydrate, REacton:r, 99.99% (REO)
Esculin hydrate, 97% from Thermo Fisher Scientific
Ethyl acetoacetate, 99%, pure from Thermo Fisher Scientific
Ethyl butyrate, 99% from Thermo Fisher Scientific
Ethylene glycol dimethyl ether, 99+%, extra pure, stabilized with BHT from Thermo Fisher Scientific