Supplier Page from Thermo Fisher Scientific for 1-(2-Pyridylazo)-2-naphthol, 98%
3-Iodo-L-tyrosine, 97% from Thermo Fisher Scientific
4-Aminophenylacetic acid, 98% from Thermo Fisher Scientific
L(+)-Lysine monohydrochloride, 99% from Thermo Fisher Scientific
Methyl acetoacetate, 99+% from Thermo Fisher Scientific