2933.32.50.00/4-Aminopiperidine Dihydrochloride/Japan

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%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

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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