Supplier Page from Thermo Fisher Scientific for Methyl Purple, 0.1% w/v aq. soln
2-Mercapto-1-methylimidazole, 98% from Thermo Fisher Scientific
beta-Nicotinamide adenine dinucleotide hydrate, 98+% from Thermo Fisher Scientific
Hydroquinone, 99% from Thermo Fisher Scientific
Trimethyloxonium tetrafluoroborate, 95% from Thermo Fisher Scientific