Supplier Page from Thermo Fisher Scientific for D(-)-Ribose, 99+%
18-beta-Glycyrrhetinic acid, 98+% from Thermo Fisher Scientific
D-Sorbitol, 97% from Thermo Fisher Scientific
Melatonine, 99% from Thermo Fisher Scientific
Mineral oil, for spectroscopy, suitable for nujol mull preparations for IR-spect from Thermo Fisher Scientific