Supplier Page from Thermo Fisher Scientific for Ammonium molybdate(VI) tetrahydrate, 99+%, for analysis
4-Ethylresorcinol, 98% from Thermo Fisher Scientific
Ethyl acetoacetate, 99%, pure from Thermo Fisher Scientific
Ethyl L(-)-lactate, 97% from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific