Normethadone Hydrochloride from Japan
Normethadone hydrochloride is the salt of normethadone, a methadone analog studied for analgesic properties and opioid research. It is explicitly covered by HTS 2922.31.00.00 as a listed amino-ketone salt with oxygen function, excluding multi-oxygen types. Fits chapter scope for separate organic compounds.
Duty Rate — Japan → United States
15%
Rate breakdown
9903.04.6215%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
• Secure research-use exemption or IRB approval for imports; include impurity profiles <0.1%; avoid bulk packaging mislabeled as general solvents