Supplier Page from Thermo Fisher Scientific for Azure I
1,2-Ethanedithiol, 95% from Thermo Fisher Scientific
5-Hydroxyindole-3-acetic acid, 99% from Thermo Fisher Scientific
L(+)-Histidine methyl ester dihydrochloride, 97% from Thermo Fisher Scientific
Riboflavin, 98% from Thermo Fisher Scientific