Supplier Page from Thermo Fisher Scientific for Nickel(II) sulfate hydrate, Puratronic:r, 99.9985% (metals basis)
4-Fluorobenzenesulfonyl chloride, 98% from Thermo Fisher Scientific
Eicosanoic acid, 98% from Thermo Fisher Scientific
Ergosterol, 98% from Thermo Fisher Scientific
Iron(III) acetylacetonate, 99+% from Thermo Fisher Scientific