Supplier Page from Thermo Fisher Scientific for Lithium 2,4-pentanedionate, 99.5%
5-Hydroxyindole-3-acetic acid, 99% from Thermo Fisher Scientific
Allopurinol, 98% from Thermo Fisher Scientific
Estrone, 99+% from Thermo Fisher Scientific
Itaconic acid, 99+% from Thermo Fisher Scientific