Supplier Page from Thermo Fisher Scientific for 4,5,6-Triaminopyrimidine sulfate hydrate, 98+% (dry wt.), water <8%
3-Ethoxy-2-cyclohexen-1-one, 99% from Thermo Fisher Scientific
4-Fluoroaniline, 98% from Thermo Fisher Scientific
Ethylenediaminetetraacetic acid, tetrasodium salt hydrate, 98%, pure from Thermo Fisher Scientific