High-Purity 1,3-Bis(aminoethyl)cyclohexane for Pharma from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, 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