Supplier Page from Thermo Fisher Scientific for Nickel(II) chloride hexahydrate, 99.999%, (trace metal basis)
Ethyl 3-aminocrotonate, 98.5% from Thermo Fisher Scientific
Ethyl 4-chlorobutyrate, 97% from Thermo Fisher Scientific
Ethyl L(-)-lactate, 97% from Thermo Fisher Scientific
Ethylenediaminetetraacetic acid, 99%, pure from Thermo Fisher Scientific