Supplier Page from Thermo Fisher Scientific for Tetrabromophenol Blue
1-Heptanol, 98% from Thermo Fisher Scientific
5-Hydroxyindole-3-acetic acid, 99% from Thermo Fisher Scientific
Acetophenone, 98%, pure from Thermo Fisher Scientific
Glyoxalbis(2-hydroxyanil), 97% from Thermo Fisher Scientific