Supplier Page from Thermo Fisher Scientific for Tungsten foil, 0.05mm (0.002in) thick, 99.95% (metals basis)
4'-Fluoroacetophenone, 99% from Thermo Fisher Scientific
Eicosanoic acid, 98% from Thermo Fisher Scientific
Ethylbenzene, 99.8%, pure from Thermo Fisher Scientific
Farnesol, 96%, mixture of isomers from Thermo Fisher Scientific