Supplier Page from Thermo Fisher Scientific for Zinc sulfate heptahydrate, 99%, ACS reagent
Epichlorohydrin, 99% from Thermo Fisher Scientific
Ethanethiol, 99+% from Thermo Fisher Scientific
Ethyl 4-dimethylaminobenzoate, 99+% from Thermo Fisher Scientific
Ethyl L(-)-lactate, 97% from Thermo Fisher Scientific