Supplier Page from Thermo Fisher Scientific for Ergosterol, 96%, may cont. up to ca 6% water
1-Ethynyl-1-cyclohexanol, 99+% from Thermo Fisher Scientific
9-Fluorenone, 99+% from Thermo Fisher Scientific
Ethyl phenylpropiolate, 98% from Thermo Fisher Scientific
Eugenol, 99% from Thermo Fisher Scientific