Supplier Page from Thermo Fisher Scientific for 4-tert-Butylcalix[8]arene, 96%
DL-Glutamic acid monohydrate, 98+% from Thermo Fisher Scientific
D-Mannitol, 98+% from Thermo Fisher Scientific
L-Serine, 99% from Thermo Fisher Scientific
Melatonine, 99% from Thermo Fisher Scientific