Supplier Page from Thermo Fisher Scientific for Sodium carbonate, anhydrous, Puratronic:r, 99.997% (metals basis)
3-Fluorobenzoic acid, 99% from Thermo Fisher Scientific
Esculin hydrate, 97% from Thermo Fisher Scientific
Ethyl oxalyl chloride, 98% from Thermo Fisher Scientific
Ethyl pyruvate, 98% from Thermo Fisher Scientific