Supplier Page from Thermo Fisher Scientific for Tantalum slug, 6.35mm (0.25in) dia x 12.7mm (0.50in) length, 99.98% (metals basis)
4-Fluoroaniline, 98% from Thermo Fisher Scientific
Ethyl cyanoacetate, 98+% from Thermo Fisher Scientific
Ethyl oxalyl chloride, 98% from Thermo Fisher Scientific
Ethylenediaminetetraacetic acid, 99%, pure from Thermo Fisher Scientific