Supplier Page from Thermo Fisher Scientific for Nickel(II) chloride, 99.99%, (trace metal basis), anhydrous, powder
Esculin hydrate, 97% from Thermo Fisher Scientific
Ethyl (ethoxymethylene)cyanoacetate, 98% from Thermo Fisher Scientific
Ethyl 4-chlorobutyrate, 97% from Thermo Fisher Scientific
Ethyl butyrylacetate, 98% from Thermo Fisher Scientific