Supplier Page from Thermo Fisher Scientific for 5(6)-Carboxyfluorescein, mixture of isomers, 97%
1-Fluoro-2-nitrobenzene, 99% from Thermo Fisher Scientific
DL-Ethyl 2-bromopropionate, 99% from Thermo Fisher Scientific
Estrone, 99+% from Thermo Fisher Scientific
Fluorescein isothiocyanate isomer I, 90%, pure from Thermo Fisher Scientific