Supplier Page from Thermo Fisher Scientific for 1,5-Dimethylnaphthalene, 99%
Estrone, 99+% from Thermo Fisher Scientific
Ethyl 3-aminocrotonate, 98.5% from Thermo Fisher Scientific
Ethyl 4,4,4-trifluoroacetoacetate, 97% from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific