Harmonized Tariff Schedule of the U.S. › Chapter 29 Organic chemicals
2934.91.00.00Tariff line
Classification path
Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds
2934
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
2934.91.00.00
Rates of duty
General rate (Column 1)Free
Special—
Column 215.4¢/kg + 52%
Unitkg
Printed page 1566
Measure flags
for origin CN, entry date 2026-10-26 · base rate Free
- Section 301 forced-labor tariff (12.5%)9903.05.31Applies+12.5%China: Column 1 rate + 12.5% additional
- China 301: not on any listN/A—8-digit subheading 2934.91.00 is not on Lists 1–4B or the four-year-review lists
- PGAFDA FD1DEA DE1
Confirmed total 12.5% · max 12.5%Full duty breakdown →