Supplier Page from Thermo Fisher Scientific for L-Histidine, 98%
2-Ethyl-1,3-hexanediol, 99%, mixture of isomers from Thermo Fisher Scientific
Ethylene carbonate, 99+% from Thermo Fisher Scientific
Iron(III) acetylacetonate, 99+% from Thermo Fisher Scientific
Sulfanilamide, 98% from Thermo Fisher Scientific