Supplier Page from Thermo Fisher Scientific for 3,6-Diphenyl-1,2,4,5-tetrazine, 98%
3-Ethoxy-2-cyclohexen-1-one, 99% from Thermo Fisher Scientific
Esculin hydrate, 97% from Thermo Fisher Scientific
Ethyl acetoacetate, 99%, pure from Thermo Fisher Scientific
Ethylenediaminetetraacetic acid, tetrasodium salt hydrate, 98%, pure from Thermo Fisher Scientific