Harmonized Tariff Schedule of the U.S. › Chapter 29 Organic chemicals
2934.99.90.01Tariff line
Classification path
Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds
2934
Other
Other
Other
Other
Other
2934.99.90.01
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 1568
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 2934.99.90 is not on Lists 1–4B or the four-year-review lists
- AD/CVD: 0 orders in place, 2 investigationsInfo—Cash deposits follow the company-specific rate (ACE case module). Coverage depends on each order's scope. The table below lists case numbers, status and the all-others rate. The all-others deposit rate is counted in the maximum exposure, not in the confirmed total.
- AD/CVD 2 casesConditionalA570245 / C570246
- PGAFDA FD3APHIS Core AQXEPA EP5EPA EP7
Confirmed total 19% · max 19%Full duty breakdown →