Harmonized Tariff Schedule of the U.S. › Chapter 29 Organic chemicals
2933.79.08.00Tariff line
Classification path
Heterocyclic compounds with nitrogen hetero-atom(s) only
2933
Lactams
Other lactams
Aromatic or modified aromatic
Other
Products described in additional U.S. note 3 to section VI
2933.79.08.00
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 215.4¢/kg + 52%
Unitkg
Free (A+, AU, BH, CL, CO, D, E, IL, JO, K, KR, MA, OM, P, PA, PE, S, SG)
Printed page 1556
Measure flags
for origin CN, entry date 2026-10-26 · base rate 6.5%
- Section 301 forced-labor tariff (12.5%)9903.05.31Conditional+12.5%China: Column 1 rate + 12.5% additional
- China 301 List 3 (9903.88.03)9903.88.03Applies+25%8-digit subheading 2933.79.08 is on L3
- 232 patented pharmaceuticals9903.04.60Conditionalcapped at 100%General (all other countries) | Pharmaceutical articles (chapter 29): patented finished drugs / APIs / key starting materials; patented or generic status is determined by the article, not by t
- PGAEPA EP7DEA DE1
Confirmed total 31.5% · max 125%Full duty breakdown →