Supplier Page from Thermo Fisher Scientific for Perchloric acid, for analysis, ca. 70% solution in water
2-Ethylhexanoic acid, 99% from Thermo Fisher Scientific
3-Fluorobenzyl bromide, 95% from Thermo Fisher Scientific
Ethyl 2-oxocyclohexanecarboxylate, 95% from Thermo Fisher Scientific
Ethyl acetoacetate, 99%, pure from Thermo Fisher Scientific