Supplier Page from Thermo Fisher Scientific for Cobalt(II) acetate tetrahydrate, ACS, 98.0-102.0%
4-Fluorobenzenesulfonyl chloride, 98% from Thermo Fisher Scientific
Ethyl 3-aminobenzoate, 99+% from Thermo Fisher Scientific
Ethyl cyanoacetate, 98+% from Thermo Fisher Scientific