Supplier Page from Thermo Fisher Scientific for Cesium hydroxide, 50% w/w aq. soln., 99% (metals basis)
4-Ethylphenol, 97% from Thermo Fisher Scientific
Esculin hydrate, 97% from Thermo Fisher Scientific
Ethyl chloroacetate, 99% from Thermo Fisher Scientific
Ethylenediaminetetraacetic acid, 99%, pure from Thermo Fisher Scientific