Supplier Page from Thermo Fisher Scientific for Barium sulfate, Puratronic:r, 99.998% (metals basis)
4-Ethylphenol, 97% from Thermo Fisher Scientific
Epichlorohydrin, 99% from Thermo Fisher Scientific
Ethyl 2-oxocyclohexanecarboxylate, 95% from Thermo Fisher Scientific
Ethyl cyanoformate, 99% from Thermo Fisher Scientific