Supplier Page from Thermo Fisher Scientific for Tantalum(V) ethoxide, 99.999% (metals basis), Nb <100ppm
Esculin hydrate, 97% from Thermo Fisher Scientific
Ethyl acetoacetate, 99%, pure from Thermo Fisher Scientific
Ethyl butyrate, 99% from Thermo Fisher Scientific
Ethylmercurithiosalicylic acid, sodium salt, 97.0-101.0% from Thermo Fisher Scientific