Supplier Page from Thermo Fisher Scientific for Bis(trimethylsilyl)carbodiimide, 97%
2-Mercapto-1-methylimidazole, 98% from Thermo Fisher Scientific
5-Hydroxyindole-3-acetic acid, 99% from Thermo Fisher Scientific
D-Sorbitol, 97% from Thermo Fisher Scientific
Hexyl alcohol, 98%, pure from Thermo Fisher Scientific