High-Purity 1,3-Bis(aminoethyl)cyclohexane for Pharma from Mexico
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 — Mexico → United States
10%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
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