Supplier Page from Thermo Fisher Scientific for Aluminum oxide, polymeric precursor, 10% w/v solution in toluene
18-beta-Glycyrrhetinic acid, 98+% from Thermo Fisher Scientific
2-Mesitylenesulfonyl chloride, 99% from Thermo Fisher Scientific
Acetylenedicarboxylic acid, 98% from Thermo Fisher Scientific
Mineral oil, for spectroscopy, suitable for nujol mull preparations for IR-spect from Thermo Fisher Scientific