Harmonized Tariff Schedule of the U.S. › Chapter 29 Organic chemicals
2933.59.95.00Tariff 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
Other
Other
Other
2933.59.95.00
Rates of duty
General rate (Column 1)6.5%
SpecialFree (A, AU, BH, CL, CO, D, E, IL, JO, K, KR, L, MA, OM, P, PA, PE, S, SG)
Column 230.5%
Unitkg
Free (A, AU, BH, CL, CO, D, E, IL, JO, K, KR, L, MA, OM, P, PA, PE, S, SG)
Printed page 1555
Measure flags
for origin CN, entry date 2026-10-26 · 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: not on any listN/A—8-digit subheading 2933.59.95 is not on Lists 1–4B or the four-year-review lists
- PGAAPHIS Core AQ1EPA EP7
Confirmed total 19% · max 19%Full duty breakdown →