Supplier Page from Thermo Fisher Scientific for Sodium carbonate, anhydrous, Puratronic:r, 99.997% (metals basis)
3-Fluorobenzoic acid, 99% from Thermo Fisher Scientific
Ethyl 3-aminocrotonate, 98.5% from Thermo Fisher Scientific
Ethyl pyruvate, 98% from Thermo Fisher Scientific
Ethylbenzene, 99.8%, pure from Thermo Fisher Scientific