Supplier Page from Thermo Fisher Scientific for Chromium pieces, 1-25mm (0.04-1in), 99.99% (metals basis)
Epichlorohydrin, 99% from Thermo Fisher Scientific
Ethyl 3-aminobenzoate, methanesulfonic acid salt, 98% from Thermo Fisher Scientific
Ethyl 3-aminocrotonate, 98.5% from Thermo Fisher Scientific
Ethyl propiolate, 99% from Thermo Fisher Scientific