1-Phenyl-3-pyrazolidinone Drug Intermediate from China
1-Phenyl-3-pyrazolidinone is a hydrazine derivative used as intermediate in synthesis of anti-inflammatory pyrazolone drugs like phenylbutazone. Falls under HTS 2928.00.30.00 as a drug intermediate essential for pharmaceutical production.
Duty Rate — China → United States
100%
Rate breakdown
9903.04.6096.3%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
• Document synthetic pathway showing conversion to FDA-approved drug actives
• Maintain batch records traceable to GMP facilities
• Beware veterinary drug applications requiring separate FDA-CVM clearance