Supplier Page from Thermo Fisher Scientific for Quartz disc, fused, 50.8mm (2.0in) dia x 1.59mm (0.06in) thick
Ethanethiol, 99+% from Thermo Fisher Scientific
Ethyl cyanoformate, 99% from Thermo Fisher Scientific
Ethyl N-piperazinecarboxylate, 99% from Thermo Fisher Scientific
Fluorescein isothiocyanate isomer I, 90%, pure from Thermo Fisher Scientific