Supplier Page from Thermo Fisher Scientific for Benzenesulfinic acid sodium salt, 98%
Fluorescein isothiocyanate isomer I, 90%, pure from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific
meso-Erythritol, 99% from Thermo Fisher Scientific
N-Ethylaniline, 98% from Thermo Fisher Scientific