Harmonized Tariff Schedule of the U.S. › Chapter 29 Organic chemicals
2922.49.60.00Tariff 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
Other
Other
Other
3-Aminocrotonic acid, methyl ester; and (R)-α-Amino-1,4-cyclohexadiene-1- acetic acid
2922.49.60.00
Rates of duty
General rate (Column 1)Free
Special—
Column 225%
Unitkg
Printed page 1512
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 List 3 (9903.88.03)9903.88.03Applies+25%8-digit subheading 2922.49.60 is on L3
- PGAAPHIS Core AQ1EPA EP7
Confirmed total 37.5% · max 37.5%Full duty breakdown →