Supplier Page from Thermo Fisher Scientific for Acridine Orange, hydrochloride hydrate, pure, ca. 80 % dye content
Ethyl 4,4,4-trifluoroacetoacetate, 97% from Thermo Fisher Scientific
Ethylenediaminetetraacetic acid, 99%, pure from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific