Clonazepam (Klonopin) from Japan
Clonazepam is a nitrobenzodiazepine anticonvulsant and sedative with a 1,4-benzodiazepine ring containing two nitrogen hetero-atoms. Classified under HTS 2933.99.65.00 for its primary CNS effects including anti-epileptic and hypnotic properties. Imported as active pharmaceutical ingredient (API) powder.
Duty Rate — Japan → United States
15%
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
9903.05.900%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
• Schedule IV controlled substance requires DEA Form 236 and advance electronic reporting via USPPG
• Include pharmacopeial certificates (USP/EP) confirming identity and enantiomeric purity
• Verify nitrogen content via elemental analysis to confirm heterocyclic classification