Harmonized Tariff Schedule of the U.S. › Chapter 29 Organic chemicals
2934.99.47.90Tariff line
Classification path
Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds
2934
Other
Other
Other
Drugs
Other
2934.99.47.90
Rates of duty
General rate (Column 1)3.7%
SpecialFree (A, AU, BH, CL, CO, D, E, IL, JO, K, KR, MA, OM, P, PA, PE, S, SG)
Column 225%
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 2026-10-25 · base rate 3.7%
- Section 301 forced-labor tariff (12.5%)9903.05.31Conditional+12.5%China: Column 1 rate + 12.5% additional
- China 301: not on any listN/A—8-digit subheading 2934.99.47 is not on Lists 1–4B or the four-year-review lists
- 232 patented pharmaceuticals9903.04.60Conditionalcapped at 100%General (all other countries) | Pharmaceutical articles (chapter 30): patented finished drugs / APIs / key starting materials; patented or generic status is determined by the article, not by t
- PGAFDA FD2 · required
Confirmed total 3.7% · max 100%Full duty breakdown →