Supplier Page from Thermo Fisher Scientific for Calix[4]arene, 98%
4-Isopropylbenzoic acid, 98+% from Thermo Fisher Scientific
DL-Glutamic acid monohydrate, 98+% from Thermo Fisher Scientific
Hesperidin, 97%, includes analogeous compounds from Thermo Fisher Scientific
Sulfanilamide, 98% from Thermo Fisher Scientific