Supplier Page from Thermo Fisher Scientific for Zinc sulfate hydrate, Puratronic:r, 99.999% (metals basis)
4-Ethylphenol, 97% from Thermo Fisher Scientific
4-Fluorobenzenesulfonyl chloride, 98% from Thermo Fisher Scientific
Ethyl oxalyl chloride, 98% from Thermo Fisher Scientific
N-Ethylaniline, 98% from Thermo Fisher Scientific