Supplier Page from Thermo Fisher Scientific for Hydrazine sulfate, ACS reagent
2(2-Ethoxyethoxy)ethanol, 98+% from Thermo Fisher Scientific
2-Ethoxybenzamide, 97% from Thermo Fisher Scientific
Esculin hydrate, 97% from Thermo Fisher Scientific
Ethyl cyanoacetate, 98+% from Thermo Fisher Scientific