Supplier Page from Thermo Fisher Scientific for 2,5-Dimethylbenzenesulfonic acid hydrate, 99%
2-Ethoxybenzamide, 97% from Thermo Fisher Scientific
2-Fluorobenzoic acid, 99% from Thermo Fisher Scientific
Ethyl trifluoroacetate, 99% from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific