Supplier Page from Thermo Fisher Scientific for 2,4-Dinitrobenzenesulfonic acid sodium salt, 97%
2-Furoic acid, 98% from Thermo Fisher Scientific
Ethylenediaminetetraacetic acid, 99%, pure from Thermo Fisher Scientific
Formamidine acetate, 99% from Thermo Fisher Scientific
Furfuryl alcohol, 98% from Thermo Fisher Scientific