Supplier Page from Thermo Fisher Scientific for Cesium sulfate, Puratronic:r, 99.997% (metals basis)
3-Fluorobenzaldehyde, 98+% from Thermo Fisher Scientific
DL-Ethyl 2-bromopropionate, 99% from Thermo Fisher Scientific
Ethyl 4-chlorobutyrate, 97% from Thermo Fisher Scientific
Ethylenediamine, 99% from Thermo Fisher Scientific