Supplier Page from Thermo Fisher Scientific for Catechol Violet
2-Ethyl-1,3-hexanediol, 99%, mixture of isomers from Thermo Fisher Scientific
2-Ethylhexanoic acid, 99% from Thermo Fisher Scientific
DL-Glutamic acid monohydrate, 98+% from Thermo Fisher Scientific
L-Serine, 99% from Thermo Fisher Scientific