Supplier Page from Thermo Fisher Scientific for 1-Aza-15-crown-5, 97%
3-Ethoxy-2-cyclohexen-1-one, 99% from Thermo Fisher Scientific
4'-Fluoroacetophenone, 99% from Thermo Fisher Scientific
Estrone, 99+% from Thermo Fisher Scientific
Fluorescein isothiocyanate isomer I, 90%, pure from Thermo Fisher Scientific