Supplier Page from Thermo Fisher Scientific for Cobalt wire, 0.25mm (0.01in) dia, Puratronic:r, 99.995% (metals basis)
4-Fluorobenzenesulfonyl chloride, 98% from Thermo Fisher Scientific
Ethyl 3-aminocrotonate, 98.5% from Thermo Fisher Scientific
Ethyl dichlorophosphate, 97% from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific