trans-Ferulic Acid USP from Mexico
Trans-ferulic acid USP grade, specified isomer of hydroxycinnamic acid, under HTS 2918.29.2000. Pharmaceutical antioxidant standard.
Duty Rate — Mexico → United States
6.5%
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
• Isomer purity certificate (trans>98%)
• USP monograph compliance docs