Supplier Page from Thermo Fisher Scientific for 2,2,4-Trimethylpentane, HPLC Grade, 99.7+%
4-Fluorobenzenesulfonyl chloride, 98% from Thermo Fisher Scientific
Ethyl (ethoxymethylene)cyanoacetate, 98% from Thermo Fisher Scientific
Ethyl 2-mercaptoacetate, 99% from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific