Supplier Page from Thermo Fisher Scientific for Cesium carbonate, Puratronic:r, 99.994% (metals basis)
1-Ethynyl-1-cyclohexanol, 99+% from Thermo Fisher Scientific
Ethyl 4,4,4-trifluoroacetoacetate, 97% from Thermo Fisher Scientific
Ethyl pyruvate, 98% from Thermo Fisher Scientific