Supplier Page from Thermo Fisher Scientific for Cesium sulfate, 99.99% (metals basis)
2-Fluorobenzoic acid, 99% from Thermo Fisher Scientific
4-Fluorobenzyl chloride, 98% from Thermo Fisher Scientific
Ethyl butyrate, 99% from Thermo Fisher Scientific
Ethyl trifluoroacetate, 99% from Thermo Fisher Scientific