Supplier Page from Thermo Fisher Scientific for Tantalum slug, 6.35mm (0.25in) dia x 6.35mm (0.25in) length, 99.95% (metals basis)
3-Ethoxy-2-cyclohexen-1-one, 99% from Thermo Fisher Scientific
Ethyl 3-aminobenzoate, 99+% from Thermo Fisher Scientific
Ethyl picolinate, 99% from Thermo Fisher Scientific
Ethylenediaminetetraacetic acid, tetrasodium salt hydrate, 98%, pure from Thermo Fisher Scientific