Supplier Page from Thermo Fisher Scientific for Tantalum foil, 0.127mm (0.005in) thick, annealed, 99.95% (metals basis)
Ergosterol, 98% from Thermo Fisher Scientific
Ethyl butyrate, 99% from Thermo Fisher Scientific
Fluorobenzene, 99% from Thermo Fisher Scientific
meso-Erythritol, 99% from Thermo Fisher Scientific