Syringic Acid from China
Syringic acid (4-hydroxy-3,5-dimethoxybenzoic acid) is a natural-derived aromatic compound used in antioxidants and research. Classified HTS 2918.99.4700 for poly-oxygen functions. Chemically defined per Chapter scope.
Duty Rate — China → United States
112.5%
Rate breakdown
9903.04.6093.5%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
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 to this subchapter
Import Tips
• Source declaration (synthetic vs plant)
• Antioxidant stability docs
• Avoid retail food packs