Supplier Page from Aladdin Scientific Corporation for Magnesium sulfate
Ethylenedithiobis(trimethylsilane) [Protecting Reagent for Aldehydes and Ketones] from Aladdin Scientific Corporation
Hexamethonium hydroxide solution from Aladdin Scientific Corporation
Sodium hydrogencarbonate from Aladdin Scientific Corporation
Sodium phosphomolybadate hydrate from Aladdin Scientific Corporation