Supplier Page from Thermo Fisher Scientific for 4-tert-Butylcalix[6]arene, 96%
2-Mercaptobenzothiazole, 95% from Thermo Fisher Scientific
2-Mesitylenesulfonyl chloride, 99% from Thermo Fisher Scientific
Riboflavin, 98% from Thermo Fisher Scientific
Shikimic acid, 98% from Thermo Fisher Scientific