Phenobarbital from China
Phenobarbital, a barbituric acid derivative, contains a pyrimidine ring with two nitrogen hetero-atoms, functioning as both anticonvulsant and sedative. Falls under HTS 2933.99.65.00 as an aromatic heterocyclic CNS drug. Long-acting barbiturate API imported in crystalline powder form.
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
• Schedule IV controlled substance; requires FDA 503B registration for bulk compounding
• Provide pKa and solubility data confirming barbituric acid structure
• Declare as 'not for injection' if powder form to avoid sterile product requirements