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Thioridazine Hydrochloride from Japan

Thioridazine hydrochloride, a piperidine phenothiazine, treats schizophrenia with antipsychotic properties. The unfused phenothiazine ring-system defines its placement in HTS 2934.30.5000 as other such heterocyclic compounds.

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

Comply with DEA schedules for phenothiazine imports; maintain chain-of-custody records

Declare salt form explicitly with molecular formula to match heading notes on salts (note 3(C))

Avoid misclassification by providing NMR spectra confirming ring structure