Trityl Chloride for Pharmaceutical Synthesis from China
High-purity trityl chloride designed for pharmaceutical applications is a halogenated aromatic hydrocarbon derivative specifically enumerated under HTS 2903.99.15.00. It protects hydroxyl groups in multi-step syntheses of antiviral drugs and APIs.
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 Drug Master File references if destined for pharma use; ensure labeling meets GHS standards for irritants; avoid bulk imports without prior EPA TSCA notification