Supplier Page from Thermo Fisher Scientific for Hydrogen bromide, pure, 33 wt% solution in glacial acetic acid
1-Ethynyl-1-cyclohexanol, 99+% from Thermo Fisher Scientific
Ethyl chloroformate, 99% from Thermo Fisher Scientific
Ethylene glycol dimethyl ether, 99+%, extra pure, stabilized with BHT from Thermo Fisher Scientific
Iron(III) acetylacetonate, 99+% from Thermo Fisher Scientific