Triphenylmethyl Chloride (Trityl Chloride) from China
Triphenylmethyl chloride (trityl chloride) is a protecting group reagent for nucleosides and peptides, classified under HTS 2942.00.50.00 as 'other' organic compounds. This triarylmethyl halide is essential in oligonucleotide synthesis.
Duty Rate — China → United States
28.7%
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
• Handle as moisture-sensitive; ship with desiccant and include residual water analysis (<0.1%)
• Declare as UN 1759 (chlorosilanes, corrosive) analog with proper PPE requirements
• Provide end-use statement for oligonucleotide manufacturing to avoid ITC scrutiny