Supplier Page from Thermo Fisher Scientific for Benzenesulfinic acid sodium salt, 98%
4'-Fluoroacetophenone, 99% from Thermo Fisher Scientific
Ethanethiol, 99+% from Thermo Fisher Scientific
Ethylenediaminetetraacetic acid, tetrasodium salt hydrate, 98%, pure from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific