Supplier Page from Thermo Fisher Scientific for Bromothymol Blue, ACS reagent
Ethyl oxamate, 99% from Thermo Fisher Scientific
Ethyltriphenylphosphonium bromide, 98% from Thermo Fisher Scientific
Fluorescein isothiocyanate isomer I, 90%, pure from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific