Harmonized Tariff Schedule of the U.S. › Chapter 29 Organic chemicals
2933.54.00.00Tariff line
Classification path
Heterocyclic compounds with nitrogen hetero-atom(s) only
2933
Compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure
Other derivatives of malonylurea (barbituric acid); salts thereof
2933.54.00.00
Rates of duty
General rate (Column 1)3.7%
SpecialFree (A+, AU, BH, CL, CO, D, E, IL, JO, K, KR, L, MA, OM, P, PA, PE, S, SG)
Column 250%
Unitkg
Free (A+, AU, BH, CL, CO, D, E, IL, JO, K, KR, L, MA, OM, P, PA, PE, S, SG)
Printed page 1553
Measure flags
for origin CN, entry date 2026-10-26 · base rate 3.7%
- 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 2933.54.00 is not on Lists 1–4B or the four-year-review lists
- PGAFDA FD1
Confirmed total 16.2% · max 16.2%Full duty breakdown →