Supplier Page from Thermo Fisher Scientific for Yttrium(III) oxide, REacton:r, 99.9999% (REO)
4'-Fluoroacetophenone, 99% from Thermo Fisher Scientific
Ergosterol, 98% from Thermo Fisher Scientific
Ethyl acetoacetate, 99%, pure from Thermo Fisher Scientific
Ethylene carbonate, 99+% from Thermo Fisher Scientific