Supplier Page from Thermo Fisher Scientific for Boron trifluoride, 12% (1.5M) in methanol, AcroSeal®
2(2-Ethoxyethoxy)ethanol, 98+% from Thermo Fisher Scientific
Esculin hydrate, 97% from Thermo Fisher Scientific
Ethyl 2-hydroxyethyl sulfide, 98% from Thermo Fisher Scientific
Ethyl chloroacetate, 99% from Thermo Fisher Scientific