Supplier Page from Thermo Fisher Scientific for Tantalum(V) tetraethoxide 2,4-pentanedionate, 99.99%, (metals basis)
1-Ethynyl-1-cyclohexanol, 99+% from Thermo Fisher Scientific
Ethyl (ethoxymethylene)cyanoacetate, 98% from Thermo Fisher Scientific
Ethyl butyrate, 99% from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific