Zolpidem Tartrate API from Japan
Zolpidem, an imidazopyridine hypnotic, contains non-benzodiazepine heterocyclic nitrogen rings affecting CNS sleep centers. Used for short-term insomnia treatment; bulk tartrate salt form classified as aromatic CNS drug per chapter notes on salts.
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
• Document tartrate salt formation per note 3(C)(1); test for related substances; avoid consumer packaging