Syringic Acid from Mexico
Syringic acid (4-hydroxy-3,5-dimethoxybenzoic acid) falls under HTS 2916.39.46.00 as an aromatic monocarboxylic acid per additional U.S. note 3 to section VI. Utilized in antioxidant research and natural product synthesis.
Duty Rate — Mexico → United States
16.5%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Natural product-derived requires HPLC chromatogram showing single peak
• Light/heat sensitive; specify cool, dark storage conditions
• CAS 530-57-4 verification prevents natural extract classification