Supplier Page from Thermo Fisher Scientific for Rubidium carbonate, Puratronic:r, 99.975% (metals basis)
2-Fluorobenzoic acid, 99% from Thermo Fisher Scientific
4-Ethylphenol, 97% from Thermo Fisher Scientific
Ethyl acetoacetate, 99%, pure from Thermo Fisher Scientific
Ethyl pyruvate, 98% from Thermo Fisher Scientific