Supplier Page from Thermo Fisher Scientific for Boron trichloride, 1M solution in methylene chloride, AcroSeal®
Ethyl (ethoxymethylene)cyanoacetate, 98% from Thermo Fisher Scientific
Ethyl 2-hydroxyethyl sulfide, 98% from Thermo Fisher Scientific
Ethyl 3-aminobenzoate, methanesulfonic acid salt, 98% from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific