Supplier Page from Thermo Fisher Scientific for Magnesium oxide, 98%, extra pure, powder, particle size: 99% <150 µm (-100 mesh)
Estrone, 99+% from Thermo Fisher Scientific
Ethyl acetoacetate, 99%, pure from Thermo Fisher Scientific
Iron(III) acetylacetonate, 99+% from Thermo Fisher Scientific
N-Ethylaniline, 98% from Thermo Fisher Scientific