Supplier Page from Thermo Fisher Scientific for Tetrahydrofuran, Spectrophotometric grade, 99.7+%, unstab., packaged under Argon in resealable ChemSealµt bottles
4-Fluorobenzenesulfonyl chloride, 98% from Thermo Fisher Scientific
Epichlorohydrin, 99% from Thermo Fisher Scientific
Ethyl carbazate, 97% from Thermo Fisher Scientific