Supplier Page from Thermo Fisher Scientific for Nickel(II) chloride hexahydrate, 99.999%, (trace metal basis)
Esculin hydrate, 97% from Thermo Fisher Scientific
Ethyl isonipecotate, 98+% from Thermo Fisher Scientific
Ethylbenzene, 99.8%, pure from Thermo Fisher Scientific
Eugenol, 99% from Thermo Fisher Scientific