Supplier Page from Thermo Fisher Scientific for 1-Butanethiol, 98%
4-Bromobutyric acid, 98% from Thermo Fisher Scientific
Ethylene carbonate, 99+% from Thermo Fisher Scientific
L(+)-Glutamic acid monosodium salt monohydrate, 99% from Thermo Fisher Scientific
L(+)-Prolinol, 95% from Thermo Fisher Scientific