Supplier Page from Thermo Fisher Scientific for 1-Octanesulfonic acid, sodium salt, anhydrous, HPLC grade
Ethyl (ethoxymethylene)cyanoacetate, 98% from Thermo Fisher Scientific
Ethyl 2-bromoisobutyrate, 98% from Thermo Fisher Scientific
Ethyl 2-mercaptoacetate, 99% from Thermo Fisher Scientific
Ethyl 4-dimethylaminobenzoate, 99+% from Thermo Fisher Scientific