Supplier Page from Thermo Fisher Scientific for Ytterbium(III) fluoride, anhydrous, REacton:r, 99.99% (REO)
Ergosterol, 98% from Thermo Fisher Scientific
Ethyl 2-hydroxyethyl sulfide, 98% from Thermo Fisher Scientific
Ethyl isonipecotate, 98+% from Thermo Fisher Scientific
Flavone, 99+% from Thermo Fisher Scientific