Hydroxypropyl Methylcellulose Pellets from China
Hydroxypropyl methylcellulose (HPMC) pellets serve as controlled-release agents in pharmaceuticals, a cellulose ether with mixed substituents. Falls under 3912.90.00.90 per subheading note (a)(4) based on predominant cellulose content.
Duty Rate — China → United States
42.7%
Rate breakdown
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 to this subchapter
9903.88.0225%Except as provided in headings 9903.88.12, 9903.88.17, 9903.88.20, 9903.88.54, 9903.88.59, 9903.88.61, 9903.88.63, 9903.88.66, 9903.88.67, 9903.88.68, 9903.88.69, or 9903.88.70, articles the product of China, as provided for in U.S. note 20(c) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(d)
Import Tips
• Submit DMF (Drug Master File) for pharma grades; confirm copolymer ratios <5% non-cellulose; use ventilated containers to maintain low humidity