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4-Aminopiperidine Dihydrochloride from Japan

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 — 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

• 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