Harmonized Tariff Schedule of the U.S. › Chapter 29 Organic chemicals
2934.30.43.00Tariff line
Classification path
Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds
2934
Compounds containing in the structure a phenothiazine ring-system (whether or not hydrogenated), not further fused
Other
Other
Products described in additional U.S. note 3 to section VI
2934.30.43.00
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 1565
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 2934.30.43 is not on Lists 1–4B or the four-year-review lists
- PGAFDA FD2 · required
Confirmed total 19% · max 19%Full duty breakdown →