Supplier Page from Thermo Fisher Scientific for Methyl Orange
18-beta-Glycyrrhetinic acid, 98+% from Thermo Fisher Scientific
D-Cystine, 98% from Thermo Fisher Scientific
L-Serine methyl ester hydrochloride, 98% from Thermo Fisher Scientific
Mineral oil, for spectroscopy, suitable for nujol mull preparations for IR-spect from Thermo Fisher Scientific