Supplier Page from Thermo Fisher Scientific for Tungsten wire, gold plated, 0.05mm (0.002in) dia, W 99.95% (metals basis), Au 99.99%
1-Fluoro-4-nitrobenzene, 99% from Thermo Fisher Scientific
DL-Ethyl 2-bromopropionate, 99% from Thermo Fisher Scientific
Ethyl acetoacetate, 99%, pure from Thermo Fisher Scientific
Ethylcyclohexane, 99+% from Thermo Fisher Scientific