Supplier Page from Thermo Fisher Scientific for Niobium rod, 12.7mm (0.5in) dia, hard, 99.8% (metals basis)
2-Fluoroaniline, 99+% from Thermo Fisher Scientific
Ethyl chloroacetate, 99% from Thermo Fisher Scientific
Ethyl N-piperazinecarboxylate, 99% from Thermo Fisher Scientific
Ethyl vinyl ether, 99%, stabilized from Thermo Fisher Scientific