Supplier Page from Thermo Fisher Scientific for (R)-(-)-2-Amino-1-butanol, 98%
Esculin hydrate, 97% from Thermo Fisher Scientific
Estrone, 99+% from Thermo Fisher Scientific
Ethylenediamine, 99% from Thermo Fisher Scientific
Fluorescein isothiocyanate isomer I, 90%, pure from Thermo Fisher Scientific