Quinuclidin-3-yl Benzilate USP Reference Standard from China
USP-grade 3-quinuclidinyl benzilate used as a reference standard in pharmaceutical quality control, classified under HTS 2933.39.61.10 due to its specific chemical structure with pyridine hetero-atom. Meets chapter 29 requirements for chemically defined organic compounds.
Duty Rate — China → United States
112.5%
Rate breakdown
9903.04.6093.5%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
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
Import Tips
• Provide USP certificate and intended use declaration for analytical reference; maintain cold chain if stability requires refrigeration; avoid bulk quantities exceeding research needs to prevent diversion concerns