Supplier Page from Thermo Fisher Scientific for Sodium tetraborate, anhydrous, Puratronic:r, 99.998% (metals basis)
Estrone, 99+% from Thermo Fisher Scientific
Ethylene glycol dimethyl ether, 99+%, extra pure, stabilized with BHT from Thermo Fisher Scientific
Ethylmercurithiosalicylic acid, sodium salt, 97.0-101.0% from Thermo Fisher Scientific
Ethyltriphenylphosphonium bromide, 98% from Thermo Fisher Scientific