Supplier Page from Thermo Fisher Scientific for Barium sulfate, Puratronic:r, 99.998% (metals basis)
1-Fluoro-2-nitrobenzene, 99% from Thermo Fisher Scientific
3-Fluorobenzaldehyde, 98+% from Thermo Fisher Scientific
Ellagic acid, 97% from Thermo Fisher Scientific
Ethyl oxamate, 99% from Thermo Fisher Scientific