Supplier Page from Thermo Fisher Scientific for Iodine, 0.1 N standard solution
Methyl 5-bromovalerate, 97% from Thermo Fisher Scientific
Methyl chloroformate, 99% from Thermo Fisher Scientific
Riboflavin, 98% from Thermo Fisher Scientific
trans-4-Hydroxy-L-proline, 99+% from Thermo Fisher Scientific