Supplier Page from Thermo Fisher Scientific for Potassium tetrabromoaurate(III) dihydrate, Premion:r, 99.99% (metals basis), Au 33% min
DL-Ethyl 2-bromopropionate, 99% from Thermo Fisher Scientific
Epichlorohydrin, 99% from Thermo Fisher Scientific
Ethyl (ethoxymethylene)cyanoacetate, 98% from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific