Supplier Page from Thermo Fisher Scientific for Tantalum foil, 0.127mm (0.005in) thick, annealed, 99.95% (metals basis)
2-Ethyl-1,3-hexanediol, 99%, mixture of isomers from Thermo Fisher Scientific
4-Fluoroanisole, 99% from Thermo Fisher Scientific
Ethyl butyrate, 99% from Thermo Fisher Scientific
Ethyl indole-2-carboxylate, 97% from Thermo Fisher Scientific