Supplier Page from Thermo Fisher Scientific for Erbium rod, 12.7mm (0.5in) dia, 99.9% (metals basis excluding Ta)
2-Ethoxyethyl ether, 98+%, extra pure from Thermo Fisher Scientific
Dotriacontane, 97% from Thermo Fisher Scientific
Ethyl 3-aminobenzoate, 99+% from Thermo Fisher Scientific
Ethyl indole-2-carboxylate, 97% from Thermo Fisher Scientific