Zaleplon from Japan
Zaleplon, a pyrazolopyrimidine hypnotic, contains fused five- and six-membered nitrogen heterocyclic rings with sedative CNS effects. Classified under HTS 2933.99.65.00 as modified aromatic drug for sleep induction. Ultra-short acting non-benzodiazepine API.
Duty Rate — Japan → United States
15%
Rate breakdown
9903.04.628.5%Pharmaceuticals: patented pharma from JP/EU/KR/CH/LI — 15% floor rate
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• Schedule IV; file DEA 333 form for each shipment regardless of quantity
• Include FT-IR spectrum confirming characteristic pyrazole ring vibrations
• Segregate from benzodiazepines during storage to prevent cross-contamination