Supplier Page from Thermo Fisher Scientific for Tantalum(V) ethoxide, optical grade, 99.95% (metal basis)
4-Fluoroanisole, 99% from Thermo Fisher Scientific
Ethyl 2-hydroxyethyl sulfide, 98% from Thermo Fisher Scientific
Ethyl butyrate, 99% from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific