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

Aromatic Antiviral Acyclovir from Japan

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 — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

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

Aromatic Antiviral Acyclovir from Japan — Import Duty Rate | HTS 2942.00.05.00