2,5-Dimethyl-1,4-benzoquinone from Canada
2,5-Dimethyl-1,4-benzoquinone is a simple alkyl-substituted quinone used in organic synthesis and as a biochemical probe. HTS 2914.69.90.00 classification as 'other' quinone with characteristic oxygen-carbonyl functions. Precursor to vitamins and coenzymes.
Duty Rate — Canada → United States
110%
Rate breakdown
9903.04.6094.5%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Sublimes at room temperature; ship in sealed containers under nitrogen
• CoA must specify substitution pattern (2,5- vs 2,6- isomers)
• Light-sensitive; use opaque packaging for import