Pharma-Grade Cross-Linked CMC from China
Cross-linked sodium carboxymethylcellulose for controlled-release drug matrices. Still primary polymer under HTS 3912.31.00.90 as chemically modified CMC salt per subheading note (a)(3). Imported for advanced pharma applications.
Duty Rate — China → United States
31.4%
Rate breakdown
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
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
• Molecular weight and cross-link density docs justify 'Other' CMC classification
• GMP manufacturing certs speed FDA review
• Not for retail sale per 3921 size note limits