Supplier Page from Thermo Fisher Scientific for 1,3-Propanedithiol, 98%
2-Ethyl-1,3-hexanediol, 99%, mixture of isomers from Thermo Fisher Scientific
L(-)-Menthol, 99.5% from Thermo Fisher Scientific
L(+)-Histidine methyl ester dihydrochloride, 97% from Thermo Fisher Scientific
Methyl acetoacetate, 99+% from Thermo Fisher Scientific