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Tariff referenceChapter 29 › 2934.91.00.00

HTS 2934.91.00.00 — Aminorex (INN), brotizolam (INN), clotiazepam (INN), cloxazolam (INN), dextromoramide (INN), haloxazolam (INN), ketazolam (INN), mesocarb (INN), oxazolam (INN), pemoline (INN), phendimetrazine (INN), phenmetrazine (INN) and sufentanil (INN); salts thereof

The current US import duty for Aminorex (INN), brotizolam (INN), clotiazepam (INN), cloxazolam (INN), dextromoramide (INN), haloxazolam (INN), ketazolam (INN), mesocarb (INN), oxazolam (INN), pemoline (INN), phendimetrazine (INN), phenmetrazine (INN) and sufentanil (INN); salts thereof (HTS 2934.91.00.00) — the base rate, any Section 301/232/122 surcharge that applies, and what's changed recently.

Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds: › Other: › Aminorex (INN), brotizolam (INN), clotiazepam (INN), cloxazolam (INN), dextromoramide (INN), haloxazolam (INN), ketazolam (INN), mesocarb (INN), oxazolam (INN), pemoline (INN), phendimetrazine (INN), phenmetrazine (INN) and sufentanil (INN); salts thereof

Current US duty rate

Column 1 (General / MFN)Free
Special (FTA programs)
Column 2 (other)15.4¢/kg + 52%

No Chapter 99 (Section 301/232/122) cross-reference on this line; origin-specific surcharges may still apply — check the calculator.

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=2934.91.00.00&origin=&value=. Current as of USITC 2026HTSRev13 (synced 2026-07-29).