Supplier Page from Thermo Fisher Scientific for Potassium tetraborate tetrahydrate, 99.5%, extra pure
9-Fluorenone, 99+% from Thermo Fisher Scientific
Ethanethiol, 99+% from Thermo Fisher Scientific
Ethyl bromopyruvate, 80-85% from Thermo Fisher Scientific
Ethylmercurithiosalicylic acid, sodium salt, 97.0-101.0% from Thermo Fisher Scientific