Supplier Page from Thermo Fisher Scientific for 1,2-Dihydroxybenzene-3,5-disulfonic acid disodium salt monohydrate, 97%
3-Fluoroaniline, 98% from Thermo Fisher Scientific
9-Fluorenone, 99+% from Thermo Fisher Scientific
Ethyl indole-2-carboxylate, 97% from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific