Supplier Page from Thermo Fisher Scientific for p-Toluenesulfonic acid monohydrate, 99%, extra pure
1,2-Ethanedithiol, 95% from Thermo Fisher Scientific
Ergosterol, 98% from Thermo Fisher Scientific
Ethyl 2-hydroxyethyl sulfide, 98% from Thermo Fisher Scientific
Ethylbenzene, 99.8%, pure from Thermo Fisher Scientific