Supplier Page from Thermo Fisher Scientific for cis-2-Butene-1,4-diol, 96%, remainder trans-isomer
2-Ethylaniline, 98% from Thermo Fisher Scientific
Ethyl acetoacetate, 99%, pure from Thermo Fisher Scientific
Ethyl cyanoacetate, 98+% from Thermo Fisher Scientific
Ethylenediaminetetraacetic acid, 99%, pure from Thermo Fisher Scientific