Supplier Page from Thermo Fisher Scientific for Sodium hydroxide, 0.1 N standard solution
3-Fluorobenzyl bromide, 95% from Thermo Fisher Scientific
DL-Ethyl 2-bromopropionate, 99% from Thermo Fisher Scientific
Ethyl cyanoacetate, 98+% from Thermo Fisher Scientific
Ethylene carbonate, 99+% from Thermo Fisher Scientific