Supplier Page from Thermo Fisher Scientific for 1,2-Ethanedithiol, 95%
4-Bromobutyric acid, 98% from Thermo Fisher Scientific
Epichlorohydrin, 99% from Thermo Fisher Scientific
Ethyl chrysanthemate, 95%, mixture of cis and trans from Thermo Fisher Scientific
Semicarbazide hydrochloride, 99+% from Thermo Fisher Scientific