Supplier Page from Thermo Fisher Scientific for Chromium(III) oxide, Puratronic:r, 99.97% (metals basis)
2-Fluorobenzaldehyde, 97% from Thermo Fisher Scientific
3-Fluorobenzoic acid, 99% from Thermo Fisher Scientific
Ethyl butyrate, 99% from Thermo Fisher Scientific
Ethylene glycol dimethyl ether, 99+%, extra pure, stabilized with BHT from Thermo Fisher Scientific