Supplier Page from Thermo Fisher Scientific for Mesitylenesulfonic acid sodium salt hemihydrate, 98%
2-Ethylhexanoic acid, 99% from Thermo Fisher Scientific
4-Ethylaniline, 99+% from Thermo Fisher Scientific
4-Fluorobenzenesulfonyl chloride, 98% from Thermo Fisher Scientific
Fluorescein isothiocyanate isomer I, 90%, pure from Thermo Fisher Scientific