Supplier Page from Thermo Fisher Scientific for Ergosterol, 96%, may cont. up to ca 6% water
Ethyl 3-aminobenzoate, methanesulfonic acid salt, 98% from Thermo Fisher Scientific
Ethyl 4-bromocrotonate, 75%, tech from Thermo Fisher Scientific
Ethyl cyanoformate, 99% from Thermo Fisher Scientific
Flavone, 99+% from Thermo Fisher Scientific