Find a large selection of Tocopherylquinone at Spectrum Chemical. Also known as Alpha-tocopherolquinone, Tocopherylquinone, is an alpha-tocopherol oxidation product. Tocopherylquinone comes in various grades, forms and quantities, like most of the chemicals provided by Spectrum. We are also committed to the highest standards of quality when it comes to customer service, fast shipping, and meeting our customers' needs.