Harmonized Tariff Schedule of the U.S. › Chapter 29 Organic chemicals
2933.41.00.00Tariff line
Classification path
Heterocyclic compounds with nitrogen hetero-atom(s) only
2933
Compounds containing in the structure a quinoline or isoquinoline ring-system (whether or not hydrogenated), not further fused
Levorphanol (INN) and its salts
2933.41.00.00
Rates of duty
General rate (Column 1)Free
Special—
Column 215.4¢/kg + 67.5%
Unitkg
Printed page 1551
Measure flags
for origin CN, entry date 2026-10-25 · 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 2933.41.00 is not on Lists 1–4B or the four-year-review lists
- PGAFDA FD2 · requiredDEA DE1
Confirmed total 12.5% · max 12.5%Full duty breakdown →