Supplier Page from Thermo Fisher Scientific for 1,4-Dibromobutane, 99%
4-Fluorobenzenesulfonyl chloride, 98% from Thermo Fisher Scientific
Dulcitol, 99+% from Thermo Fisher Scientific
Ethyl chloroacetate, 99% from Thermo Fisher Scientific
Fluorescein isothiocyanate isomer I, 90%, pure from Thermo Fisher Scientific