Supplier Page from Thermo Fisher Scientific for Tantalum rod, 2.8mm (0.11in) dia, 99.95% (metals basis)
4-Fluoroaniline, 98% from Thermo Fisher Scientific
Esculin hydrate, 97% from Thermo Fisher Scientific
Ethyl butyrate, 99% from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific