Supplier Page from Thermo Fisher Scientific for Polyethylene glycol monomethyl ether p-toluenesulfonate, M.W. 5,000
2-Ethyl-1,3-hexanediol, 99%, mixture of isomers from Thermo Fisher Scientific
Ethyl acetoacetate, 99%, pure from Thermo Fisher Scientific
Ethyl cyanoacetate, 98+% from Thermo Fisher Scientific
meso-Erythritol, 99% from Thermo Fisher Scientific