Supplier Page from Thermo Fisher Scientific for Piperazine, 99%, extra pure
1,6-Hexanediol, 97% from Thermo Fisher Scientific
2,6-Lutidine, 99% from Thermo Fisher Scientific
DL-1,2-Hexanediol, 98% from Thermo Fisher Scientific
L(+)-Histidine methyl ester dihydrochloride, 97% from Thermo Fisher Scientific