Supplier Page from Thermo Fisher Scientific for Selenium shot, amorphous, 1-6mm (0.04-0.24in), Puratronic, 99.999+% (metals basis)
3-Fluorobenzoic acid, 99% from Thermo Fisher Scientific
Ethyl acrylate, 99.5%, stabilized from Thermo Fisher Scientific
Ethyl oxamate, 99% from Thermo Fisher Scientific
Fluorescein isothiocyanate isomer I, 90%, pure from Thermo Fisher Scientific