Supplier Page from Thermo Fisher Scientific for 1,4,8,11-Tetraazacyclotetradecane, 98%
Ethyl chloroformate, 99% from Thermo Fisher Scientific
Ethylbenzene, 99.8%, pure from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific
Iron(III) acetylacetonate, 99+% from Thermo Fisher Scientific