Supplier Page from Thermo Fisher Scientific for 3,5-Dichloro-2-hydroxybenzenesulfonic acid sodium salt, 98%
3-Fluorobenzoic acid, 99% from Thermo Fisher Scientific
Ethyl 3-aminobenzoate, 99+% from Thermo Fisher Scientific
Ethylenediaminetetraacetic acid, tetrasodium salt hydrate, 98%, pure from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific