Supplier Page from Thermo Fisher Scientific for Carboxymethyl cellulose, sodium salt, average M.W. 250000 (DS=0.9)
Ethyl 2-mercaptoacetate, 99% from Thermo Fisher Scientific
Ethyl 3-aminobenzoate, 99+% from Thermo Fisher Scientific
Ethylbenzene, 99.8%, pure from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific