</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →

Ferrocene Aromatic Drug Derivative from China

Ferrocene-based aromatic metallocene used in anti-cancer drug development with iron-carbon sandwich structure. HTS 2931.90.22.00 covers this aromatic organo-inorganic pharmaceutical as metal is linked through carbon atoms.

Duty Rate — China → United States

44%

Rate breakdown

9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China

Import Tips

Demonstrate therapeutic redox properties qualifying as drug via published pharmacology studies

Use airtight secondary packaging for air-sensitive metallocenes during ocean transport

Classify under proper HS code for EAR/ITAR if dual-use pharmaceutical technology