Supplier Page from Thermo Fisher Scientific for 2,4-Difluorobenzenesulfonyl chloride, 98%
2-Ethoxyethyl ether, 98+%, extra pure from Thermo Fisher Scientific
Ethyl acetoacetate, 99%, pure from Thermo Fisher Scientific
Ethylenediamine, 99% from Thermo Fisher Scientific
Ethyltriphenylphosphonium bromide, 98% from Thermo Fisher Scientific