Supplier Page from Thermo Fisher Scientific for Tantalum slug, 3.175mm (0.125in) dia x 6.35mm (0.25in) length, 99.95% (metals basis)
4-Fluorobenzenesulfonyl chloride, 98% from Thermo Fisher Scientific
Ethyl cyanoacetate, 98+% from Thermo Fisher Scientific
Ethyl cyanoformate, 99% from Thermo Fisher Scientific
Fluorescein isothiocyanate isomer I, 90%, pure from Thermo Fisher Scientific