New

Ask Wove anything about tariffs.

Try Tariff Assistant

Pharmaceutical Intermediate β-Naphthol from China

High-purity β-Naphthol used as a building block in synthesizing pharmaceutical compounds like naphthol AS derivatives. It qualifies for HTS 2907.15.30.00 as a pure monophenol under Chapter 29, excluding finished drugs.

Duty Rate — China → United States

37.5%

Rate breakdown

9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 to this subchapter
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)

Import Tips

• Submit DMF or equivalent pharma-grade certificates proving >99% purity and absence of heavy metals

• Avoid packaging suggesting finished drug form to prevent shift to Chapter 30 medicaments

• Declare intended pharma synthesis use but emphasize chemical intermediate status for correct heading