Acyclovir Active Ingredient from Japan
Acyclovir (9-(2-hydroxyethoxymethyl)guanine), synthetic guanine analog with nitrogen heterocyclic purine structure for antiviral medication. Pure API form under HTS 2933.99.9701.
Duty Rate — Japan → United States
21%
Rate breakdown
9903.04.628.5%Patented pharmaceutical articles that are the product of Japan, of a European Union member country, of South Korea, of Switzerland, or of Liechtenstein as provided for in subdivisions (c) and (f) of U.S. note 40 to this subchapter
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• DMF Type II required; ANDA reference standards
• Polymorph Form I certificate; different forms affect bioavailability claims
• Controlled substance precursor monitoring