Supplier Page from Thermo Fisher Scientific for Gluconic acid, 50 wt% solution in water
2-Ethyl-1,3-hexanediol, 99%, mixture of isomers from Thermo Fisher Scientific
3-Fluorobenzyl bromide, 95% from Thermo Fisher Scientific
Ethylcyclohexane, 99+% from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific