Supplier Page from Thermo Fisher Scientific for Potassium permanganate, 0.1N Standardized Solution
8-Hydroxyquinoline, ACS reagent from Thermo Fisher Scientific
D-Cystine, 98% from Thermo Fisher Scientific
L(+)-Glutamic acid monosodium salt monohydrate, 99% from Thermo Fisher Scientific
Methyl chloroformate, 99% from Thermo Fisher Scientific