Supplier Page from Thermo Fisher Scientific for Arsenic polycrystalline lump, 2-8mm (0.08-0.3in), Puratronic:r, 99.99999+% (metals basis)
1-Fluoro-4-nitrobenzene, 99% from Thermo Fisher Scientific
2-Ethyl-1,3-hexanediol, 99%, mixture of isomers from Thermo Fisher Scientific
3-Fluorobenzaldehyde, 98+% from Thermo Fisher Scientific
Ethyl 3-pyridylacetate, 99% from Thermo Fisher Scientific