Supplier Page from Thermo Fisher Scientific for Poly(styrene sulfonic acid) sodium salt, M.W. 70,000
4-Ethylresorcinol, 98% from Thermo Fisher Scientific
Ethyl 2-mercaptoacetate, 99% from Thermo Fisher Scientific
Ethyl butyrylacetate, 98% from Thermo Fisher Scientific
Ethylbenzene, 99.8%, pure from Thermo Fisher Scientific