Supplier Page from Thermo Fisher Scientific for Pyridinium p-toluenesulfonate, 98%
1,7-Heptanediol, 95% from Thermo Fisher Scientific
5-Hydroxyindole-3-acetic acid, 99% from Thermo Fisher Scientific
L-Serine, 99% from Thermo Fisher Scientific
meso-Erythritol, 99% from Thermo Fisher Scientific