Supplier Page from Thermo Fisher Scientific for 5-Carboxyfluorescein, single isomer, 97%
DL-1,2-Hexanediol, 98% from Thermo Fisher Scientific
Menthone, 98%, mixture of isomers from Thermo Fisher Scientific
Norcamphor, 99% from Thermo Fisher Scientific
Riboflavin, 98% from Thermo Fisher Scientific