Vidarabine (Adenine Arabinoside) from China
Vidarabine is an adenine arabinoside antiviral drug with guanosine-like structure effective against herpes viruses. As a chemically defined aromatic heterocyclic pharmaceutical, it classifies under HTS 2934.99.30.00 as a drug.
Duty Rate — China → United States
100%
Rate breakdown
9903.04.6093.5%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
9903.05.900%Articles of aluminum, of steel or of copper or derivative aluminum or steel articles; passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans and cargo vans) and light trucks; parts of passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans and cargo vans) and light trucks; medium- and heavy-duty vehicles; parts of medium- and heavy-duty vehicles; wood products; patented pharmaceutical articles; and semiconductor articles, as provided in subdivision (f) of U.S. note 52 to this subchapter
Import Tips
• Provide enzymatic purity testing against adenosine deaminase contamination
• Document ophthalmic grade specifications for corneal application
• Include natural/semi-synthetic origin certification from fermentation process