Supplier Page from Thermo Fisher Scientific for Cobalt(II) sulfate heptahydrate, Puratronic:r, 99.999% (metals basis)
4-Ethylphenol, 97% from Thermo Fisher Scientific
Emodin, 95%, tech from Thermo Fisher Scientific
Ergosterol, 98% from Thermo Fisher Scientific
Iron(III) acetylacetonate, 99+% from Thermo Fisher Scientific