Supplier Page from Thermo Fisher Scientific for Tantalum rod, 12.7mm (0.5in) dia, hard, 99.95% (metals basis)
Dotriacontane, 97% from Thermo Fisher Scientific
Ethyl 3-hydroxybutyrate, 99% from Thermo Fisher Scientific
Ethyl 3-pyridylacetate, 99% from Thermo Fisher Scientific
Ethyl propiolate, 99% from Thermo Fisher Scientific