Supplier Page from Thermo Fisher Scientific for µa-Naphtholphthalein
2-Ethyl-1-hexanol, 99% from Thermo Fisher Scientific
Ethyl chrysanthemate, 95%, mixture of cis and trans from Thermo Fisher Scientific
Fumaric acid, 99+% from Thermo Fisher Scientific
L(-)-Menthol, 99.5% from Thermo Fisher Scientific