Supplier Page from Thermo Fisher Scientific for Tantalum foil, 0.5mm (0.02in) thick, annealed, 99.95% (metals basis excluding Nb)
2-Ethyl-1,3-hexanediol, 99%, mixture of isomers from Thermo Fisher Scientific
4-Fluorobenzenesulfonyl chloride, 98% from Thermo Fisher Scientific
Ethyl (ethoxymethylene)cyanoacetate, 98% from Thermo Fisher Scientific
Ethylcyclohexane, 99+% from Thermo Fisher Scientific