High-Purity 1,3-Bis(aminoethyl)cyclohexane for Pharma from China
Pharma-grade 1,3-Bis(aminoethyl)cyclohexane (>99.5% purity) is a chemically defined amine intermediate for drug synthesis, precisely matching HTS 2921.30.05.00 as a cyclanic polyamine from aromatic derivation.
Duty Rate — China → United States
37.5%
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
• GMP certificate and DMF filing essential; FDA reviews pharma intermediates closely
• Specify cis/trans isomer ratio in CoA; undefined mixtures risk 2921.30.90
• Glass-lined packaging prevents metal contamination affecting purity claims