Harmonized Tariff Schedule of the U.S. › Chapter 29 Organic chemicals
2933.29.90.00Tariff line
Classification path
Heterocyclic compounds with nitrogen hetero-atom(s) only
2933
Compounds containing an unfused imidazole ring (whether or not hydrogenated) in the structure
Other
Other
Other
Other
2933.29.90.00
Rates of duty
General rate (Column 1)6.5%
SpecialFree (A, AU, BH, CL, CO, D, E, IL, JO, K, KR, MA, OM, P, PA, PE, S, SG)
Column 230.5%
Unitkg
Free (A, AU, BH, CL, CO, D, E, IL, JO, K, KR, MA, OM, P, PA, PE, S, SG)
Printed page 1546
Measure flags
for origin CN, entry date 2026-10-25 · base rate 6.5%
- 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 2933.29.90 is on L3
- PGAEPA EP5EPA EP7
Confirmed total 44% · max 44%Full duty breakdown →