Supplier Page from Thermo Fisher Scientific for Gallium arsenide, 99.999% (metals basis)
4-Ethylresorcinol, 98% from Thermo Fisher Scientific
4'-Fluoroacetophenone, 99% from Thermo Fisher Scientific
Ethyl 2-hydroxyethyl sulfide, 98% from Thermo Fisher Scientific
Ethyl cyanoacetate, 98+% from Thermo Fisher Scientific