Supplier Page from Thermo Fisher Scientific for Potassium permanganate, 0.1N Standardized Solution
5-Aminolevulinic acid hydrochloride, 98+% from Thermo Fisher Scientific
8-Hydroxyquinoline, ACS reagent from Thermo Fisher Scientific
DL-Menthol, 99% from Thermo Fisher Scientific
Hexyl alcohol, 98%, pure from Thermo Fisher Scientific