Aromatic Antiviral Acyclovir from China

Acyclovir is a synthetic guanosine analogue with aromatic components used against herpes viruses. It qualifies for HTS 2942.00.05.00 as an aromatic drug compound meeting Chapter 29 scope for separate chemically defined organics. Excluded from Chapter 30 as pure API.

Duty Rate — China → United States

31.5%

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)
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter

Import Tips

Include WHO certification and pharmacopeia compliance for antiviral APIs

Document excludes solvents per Chapter Note (e) to maintain chemical compound status

Avoid retail packaging that could shift classification to Chapter 32 or 38 exclusions