Current U.S. tariff record

Listed from Jul 1, 2026

HTS code

2933.39.6140

General duty

6.5%

Description

HTS classification

Heterocyclic compounds with nitrogen hetero-atom(s) only: Compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure: Other: Other: Other: Products described in additional U.S. note 3 to section VI Other: N-phenyl-4-piperidinamine (4-AP), tert-butyl 4-(phenylamino)piperidine-1-carboxylate (tert-butyl 4-anilinopiperidine-1-carboxylate, 1-boc-4-AP), norfentanyl (N-phenyl-N-(4-piperidyl)propionamide), piperidin-4-one (4-piperidone) and tert-butyl 4-oxopiperidine-1-carboxylate (1-boc-4-piperidone); salts thereof

Ad valorem rate
6.5%
Specific rates
None listed

Within 2933.39.61

Other codes under this parent

Tariff record

Version history

Schedule listing dates, rates, and release details for each HTS version
Listed fromListed toGeneral dutyRelease
Jul 1, 2026CurrentCurrent6.5%2026 HTS Revision 11Jul 1, 2026