Supplier Page from Thermo Fisher Scientific for Benzyl mercaptan, polymer supported, 1% cross-linked, 100-200 mesh, 2.0-4.0 mmol/g on poly(styrene-divinylbenzene)
D(+)-Melibiose monohydrate, 99+% from Thermo Fisher Scientific
D-Sorbitol, 97% from Thermo Fisher Scientific
Hydroquinone, 99% from Thermo Fisher Scientific
Sulfanilamide, 98% from Thermo Fisher Scientific