Supplier Page from Thermo Fisher Scientific for Trimethyloxonium tetrafluoroborate, 96%
5-Hydroxyindole-3-acetic acid, 99% from Thermo Fisher Scientific
Hexyl alcohol, 98%, pure from Thermo Fisher Scientific
Maleic acid, 99% from Thermo Fisher Scientific
Sulfanilamide, 98% from Thermo Fisher Scientific