Supplier Page from Thermo Fisher Scientific for Potassium hydroxide, Acculute Standard Volumetric Solution, Final Concentration 0.5N
Ethyl (ethoxymethylene)cyanoacetate, 98% from Thermo Fisher Scientific
Ethyl 3-hydroxybutyrate, 99% from Thermo Fisher Scientific
Ethyl phenylpropiolate, 98% from Thermo Fisher Scientific
N-Ethylaniline, 98% from Thermo Fisher Scientific