Supplier Page from Thermo Fisher Scientific for Iron(II) oxalate dihydrate, Puratronic:r, 99.999% (metals basis)
1-Fluoro-2-nitrobenzene, 99% from Thermo Fisher Scientific
4-Fluorobenzenesulfonyl chloride, 98% from Thermo Fisher Scientific
Ethyl 3-hydroxybutyrate, 99% from Thermo Fisher Scientific
Ethyl chloroacetate, 99% from Thermo Fisher Scientific