Supplier Page from Thermo Fisher Scientific for Nickel(II) nitrate hexahydrate, Puratronic:r, 99.9985% (metals basis)
Eicosanoic acid, 98% from Thermo Fisher Scientific
Esculin hydrate, 97% from Thermo Fisher Scientific
Estrone, 99+% from Thermo Fisher Scientific
Ethyl isonipecotate, 98+% from Thermo Fisher Scientific