Supplier Page from Thermo Fisher Scientific for Magnesium 2,4-pentanedionate hydrate, typically 98+% (metals basis)
1,7-Heptanediol, 95% from Thermo Fisher Scientific
5-Hydroxyindole-3-acetic acid, 99% from Thermo Fisher Scientific
D-Sorbitol, 97% from Thermo Fisher Scientific
Estrone, 99+% from Thermo Fisher Scientific