1,3-Butanediol Pharma Grade from Mexico
1,3-Butanediol, dihydric acyclic alcohol used in pharmaceuticals and bioplastics. Pure form qualifies under HTS 2905.49.50.01 as chemically defined polyhydric alcohol.
Duty Rate — Mexico → United States
15.5%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• FDA prior notice required for pharma intermediates
• Validate chiral purity if specified for drug synthesis
• Distinguish from 1,4-butanediol (controlled substance concerns)