Supplier Page from Thermo Fisher Scientific for Zinc rod, 1.27cm (0.5in) dia, 99.99+% (metals basis)
Ethyl butyrate, 99% from Thermo Fisher Scientific
Ethyl butyrylacetate, 98% from Thermo Fisher Scientific
Ethylbenzene, 99.8%, pure from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific