Coenzyme Q9 (Ubiquinone-9) from China
Ubiquinone-9 (CoQ9) is a 9-isoprene unit benzoquinone used in biochemical research and as a nutritional supplement intermediate. HTS 2914.69.90.00 covers this as 'other' quinone with oxygen function; distinguished from CoQ10 by chain length. Mitochondrial electron transport component.
Duty Rate — China → United States
5.5%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Include HPLC purity certificate (>98%) and isoprene chain verification
• FDA dietary supplement notification if marketed as nutritional product
• Store/transport at -20°C; declare temperature control requirements