Supplier Page from Thermo Fisher Scientific for Iron foil, 0.5mm (0.02in) thick, Puratronic:r, 99.992% (metals basis)
Ergosterol, 98% from Thermo Fisher Scientific
Ethyl 3-hydroxybutyrate, 99% from Thermo Fisher Scientific
Iron(III) acetylacetonate, 99+% from Thermo Fisher Scientific
meso-Erythritol, 99% from Thermo Fisher Scientific