Supplier Page from Thermo Fisher Scientific for 5-Carboxyfluorescein, single isomer, 97%
2,6-Lutidine, 99% from Thermo Fisher Scientific
L(+)-Lysine monohydrochloride, 99% from Thermo Fisher Scientific
Melatonine, 99% from Thermo Fisher Scientific
Riboflavin, 98% from Thermo Fisher Scientific