Supplier Page from Thermo Fisher Scientific for 3,3'-Diethylthiadicarbocyanine iodide
4-Fluorobenzenesulfonyl chloride, 98% from Thermo Fisher Scientific
Ethanethiol, 99+% from Thermo Fisher Scientific
Ethyl butyrate, 99% from Thermo Fisher Scientific
Ethyl isonipecotate, 98+% from Thermo Fisher Scientific