Supplier Page from Thermo Fisher Scientific for Tin ingot/button, µ=36mm (1.4in) dia x 8mm (0.3in) thick, 99.9% (metals basis)
4-Fluoroaniline, 98% from Thermo Fisher Scientific
Ethyl 3-aminobenzoate, methanesulfonic acid salt, 98% from Thermo Fisher Scientific
Ethyl acetoacetate, 99%, pure from Thermo Fisher Scientific
Ethyl cyanoacetate, 98+% from Thermo Fisher Scientific