Supplier Page from Thermo Fisher Scientific for L-Carnosine, 98%
Anthrone, ACS reagent from Thermo Fisher Scientific
DL-Menthol, 99% from Thermo Fisher Scientific
L(+)-Histidine methyl ester dihydrochloride, 97% from Thermo Fisher Scientific
trans-4-Hydroxy-L-proline, 99+% from Thermo Fisher Scientific