Supplier Page from Thermo Fisher Scientific for Niobium slug, 3.175mm (0.125in) dia x 6.35mm (0.25in) length, 99.95% (metals basis excluding Ta)
2(2-Ethoxyethoxy)ethanol, 98+% from Thermo Fisher Scientific
2-Fluoroaniline, 99+% from Thermo Fisher Scientific
Ethylenediamine, 99% from Thermo Fisher Scientific
Eugenol, 99% from Thermo Fisher Scientific