Supplier Page from Thermo Fisher Scientific for 1-Octanesulfonic acid, sodium salt, HPLC grade
2(2-Ethoxyethoxy)ethanol, 98+% from Thermo Fisher Scientific
2-Ethoxyethyl ether, 98+%, extra pure from Thermo Fisher Scientific
Ethyl 3-aminobenzoate, methanesulfonic acid salt, 98% from Thermo Fisher Scientific
Fluorescein isothiocyanate isomer I, 90%, pure from Thermo Fisher Scientific