Supplier Page from Thermo Fisher Scientific for o-Tolidine dihydrochloride, ACS reagent
2-Mercapto-1-methylimidazole, 98% from Thermo Fisher Scientific
4-Bromobutyric acid, 98% from Thermo Fisher Scientific
Eicosanoic acid, 98% from Thermo Fisher Scientific
Hexyl alcohol, 98%, pure from Thermo Fisher Scientific