Supplier Page from Thermo Fisher Scientific for Zinc standard solution, for AAS, 1 µg/mL Zn in 2-5% HCl
1-Ethynyl-1-cyclohexanol, 99+% from Thermo Fisher Scientific
DL-Ethyl 2-bromopropionate, 99% from Thermo Fisher Scientific
Ethyl N-piperazinecarboxylate, 99% from Thermo Fisher Scientific