Supplier Page from Thermo Fisher Scientific for Tungsten rod, 6.3mm (0.25in) dia, annealed, 99.95% (metals basis)
Esculin hydrate, 97% from Thermo Fisher Scientific
Ethyl 2-mercaptoacetate, 99% from Thermo Fisher Scientific
Ethyl pyruvate, 98% from Thermo Fisher Scientific
Fluorescein isothiocyanate isomer I, 90%, pure from Thermo Fisher Scientific