Supplier Page from Thermo Fisher Scientific for Tantalum powder, -100 mesh, Puratronic:r, 99.98% (metals basis), Nb 50ppm
1-Fluoro-2-nitrobenzene, 99% from Thermo Fisher Scientific
2-Ethoxybenzamide, 97% from Thermo Fisher Scientific
Ethyl 3-aminobenzoate, 99+% from Thermo Fisher Scientific
Ethyl chloroformate, 99% from Thermo Fisher Scientific