Supplier Page from Thermo Fisher Scientific for Calcium sulfate, anhydrous, Puratronic:r, 99.993% (metals basis)
1,2-Ethanedithiol, 95% from Thermo Fisher Scientific
2-Ethyl-1,3-hexanediol, 99%, mixture of isomers from Thermo Fisher Scientific
Ethyl acetoacetate, 99%, pure from Thermo Fisher Scientific
Ethylenediamine, 99% from Thermo Fisher Scientific