4-Aminopiperidine Dihydrochloride from Canada
4-Aminopiperidine dihydrochloride is a substituted piperidine salt used in synthesis of pharmaceutical intermediates like antihistamines. It features the core piperidine ring structure required for HTS 2933.32.5000 classification as 'other' piperidine salts.
Duty Rate — Canada → United States
16.5%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include NMR spectra in documentation to confirm substitution position on piperidine ring
• Classify under correct UN 3259 for transport as it's a corrosive solid
• Monitor DEA watch list status due to potential controlled substance precursor applications