Supplier Page from Thermo Fisher Scientific for Sodium 1-pentanesulfonate, 99% (dry wt.), water <1.5%
3-Fluorobenzoic acid, 99% from Thermo Fisher Scientific
DL-Ethyl 2-bromopropionate, 99% from Thermo Fisher Scientific
Ethanethiol, 99+% from Thermo Fisher Scientific
Ethoxymethylenemalononitrile, 98% from Thermo Fisher Scientific