2-Hydroxybutyric Acid from Mexico
This alpha-hydroxy acid contains the required carboxylic-alcohol structure for 2918.19.90.00 classification. Used in polymer synthesis and metabolic studies.
Duty Rate — Mexico → United States
14%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Confirm optical purity if chiral applications to document isomer status
• Provide molecular formula verification (C4H8O3) in COA
• Avoid retail packaging that might trigger chapter 38 classification