Pharma-Grade Tetramethylguanidine Base from China
Pharmaceutical-grade tetramethylguanidine meeting USP standards, under HTS 2925.29.70.00 as imine derivative. Chemically defined for drug synthesis intermediates. Excludes immunological products per chapter note.
Duty Rate — China → United States
20%
Rate breakdown
9903.88.157.5%Except as provided in headings 9903.88.39, 9903.88.42, 9903.88.44, 9903.88.47, 9903.88.49, 9903.88.51, 9903.88.53, 9903.88.55, 9903.88.57, 9903.88.65, 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(r) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(s)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Obtain FDA import alert clearance if for drug manufacture
• Certify GMP compliance in COA for pharma use
• Distinguish from finished APIs which may go to Chapter 30