Piperidine-1-Carboxylic Acid tert-Butyl Ester from China
Boc-piperidine (piperidine-1-carboxylic acid tert-butyl ester) is a protected piperidine used in peptide synthesis. Classifies under HTS 2933.32.5000 as the ester follows parent piperidine per Chapter 29 ester classification rules.
Duty Rate — China → United States
44%
Rate breakdown
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
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)
Import Tips
• Document as 'piperidine, 1-(1,1-dimethylethoxycarbonyl)-' using exact chemical nomenclature
• Stable solid, no special hazard labeling required
• Common in pharma imports; ensure GMP supplier certification