Supplier Page from Thermo Fisher Scientific for Ammonium hexafluorosilicate, Puratronic:r, 99.999% (metals basis)
Ellagic acid, 97% from Thermo Fisher Scientific
Esculin hydrate, 97% from Thermo Fisher Scientific
Ethyl oxamate, 99% from Thermo Fisher Scientific
Ethyl phenylcyanoacetate, 97% from Thermo Fisher Scientific