usdutyclassify中文

Harmonized Tariff Schedule of the U.S. › Chapter 29 Organic chemicals

2934.99.47.40Tariff line

Classification path

Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds
2934
Other
Other
Other
Drugs
Timolol maleate and its salts
2934.99.47.40

Rates of duty

General rate (Column 1)
3.7%
Special
Free (A, AU, BH, CL, CO, D, E, IL, JO, K, KR, MA, OM, P, PA, PE, S, SG)
Column 2
25%
Unit
kg
Printed page
1568
Measure flagsfor origin CN
  • Section 301 forced labor: on an exemption list9903.05.89 · note 52(e)
  • Section 232 (PHARMA)9903.04.60 · 100% · 药品物品(第29章):专利药成品 / API / 关键起始物料,按物品而非编码判定专利/仿制 · from 2026-07-31
  • Partner government agency (PGA) requirementsFDA FD2

U.S. → China →