Supplier Page from Thermo Fisher Scientific for Sodium hydrogen carbonate, Puratronic:r, 99.998% (metals basis)
3-Fluorobenzoic acid, 99% from Thermo Fisher Scientific
4-Fluorobenzenesulfonyl chloride, 98% from Thermo Fisher Scientific
Emodin, 95%, tech from Thermo Fisher Scientific
Ethyl acetoacetate, 99%, pure from Thermo Fisher Scientific