Supplier Page from Thermo Fisher Scientific for HEPES, 0.5M buffer soln., pH 8.5
1-Ethynyl-1-cyclohexanol, 99+% from Thermo Fisher Scientific
Ethyl N-piperazinecarboxylate, 99% from Thermo Fisher Scientific
Ethylene carbonate, 99+% from Thermo Fisher Scientific
Eugenol, 99% from Thermo Fisher Scientific