Supplier Page from Thermo Fisher Scientific for Pyrogallol, ACS, 99%
4-Bromobutyric acid, 98% from Thermo Fisher Scientific
Acetylenedicarboxylic acid, 98% from Thermo Fisher Scientific
L(+)-Glutamic acid monosodium salt monohydrate, 99% from Thermo Fisher Scientific
L-Serine, 99% from Thermo Fisher Scientific