Supplier Page from Thermo Fisher Scientific for Ethylenediaminetetraacetic acid disodium salt dihydrate, 99+%
2-Mesitylenesulfonyl chloride, 99% from Thermo Fisher Scientific
Hydroquinone, 99% from Thermo Fisher Scientific
L(+)-Glutamic acid monosodium salt monohydrate, 99% from Thermo Fisher Scientific
L(+)-Histidine methyl ester dihydrochloride, 97% from Thermo Fisher Scientific