Supplier Page from Thermo Fisher Scientific for Alizarin, 94%
DL-Glutamic acid monohydrate, 98+% from Thermo Fisher Scientific
DL-Methionine, 99+% from Thermo Fisher Scientific
L(+)-Histidine methyl ester dihydrochloride, 97% from Thermo Fisher Scientific
Oxytetracycline dihydrate, 95% from Thermo Fisher Scientific