Supplier Page from Thermo Fisher Scientific for L(+)-Glutamic acid, 99%
2-Mercapto-1-methylimidazole, 98% from Thermo Fisher Scientific
D-Mannitol, 98+% from Thermo Fisher Scientific
L-Serine methyl ester hydrochloride, 98% from Thermo Fisher Scientific
Propionaldehyde, 99+% from Thermo Fisher Scientific