Supplier Page from Thermo Fisher Scientific for Urea hydrogen peroxide, 1 g tablets, stabilized, contains 35 wt% H2O2
2-Methoxybenzyl alcohol, 99% from Thermo Fisher Scientific
5-Hydroxyindole-3-acetic acid, 99% from Thermo Fisher Scientific
Hexanoic acid, 99% from Thermo Fisher Scientific
Hydroquinone, 99% from Thermo Fisher Scientific