Supplier Page from Thermo Fisher Scientific for Xylenol orange, sodium salt, ACS reagent
2-Ethylaniline, 98% from Thermo Fisher Scientific
Eicosanoic acid, 98% from Thermo Fisher Scientific
Ethyl 4-dimethylaminobenzoate, 99+% from Thermo Fisher Scientific
Flavone, 99+% from Thermo Fisher Scientific