Harmonized Tariff Schedule of the U.S. › Chapter 29 Organic chemicals
2922.44.00.00Tariff line
Classification path
Oxygen-function amino-compounds
2922
Amino-acids, other than those containing more than one kind of oxygen function, and their esters; salts thereof
Tilidine (INN) and its salts
2922.44.00.00
Rates of duty
General rate (Column 1)Free
Special—
Column 215.4¢/kg + 45%
Unitkg
Printed page 1510
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 2922.44.00 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 →