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
16.5%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Isomer purity certificate (trans>98%)
• USP monograph compliance docs