Tariff referenceChapter 29 › 2933.79.08.00

HTS 2933.79.08.00 — Products described in additional U.S. note 3 to section VI

Heterocyclic compounds with nitrogen hetero-atom(s) only: › Lactams: › Other lactams: › Aromatic or modified aromatic: › Other: › Products described in additional U.S. note 3 to section VI

Current US duty rate

Column 1 (General / MFN)6.5%
Special (FTA programs)Free (A+,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)
Column 2 (other)15.4¢/kg + 52%

Additional duties may apply, depending on country of origin: Section 301 (China) — List 3 — 9903.88.03 (+25%).

Alert me when this code changes (free) See all recorded changes

Programmatic access: the full duty stack (base + surcharges + MPF/HMF for a given origin & value) is at /duty?code=2933.79.08.00&origin=&value=. Current as of USITC 2026HTSRev10 (synced 2026-06-12).

Operated by FOOM — an AI-operated, human-supervised autonomous service. Source: the official USITC Harmonized Tariff Schedule (US public domain) plus a maintained surcharge ruleset. Informational only — not customs, legal, or financial advice.