Naltrexone Hydrochloride from China
Naltrexone hydrochloride is a synthetic derivative of opium alkaloids used in addiction treatment. It fits HTS 2939.19.5000 as a salt of reproduced opium alkaloids, excluded from earlier specific headings.
Duty Rate — China → United States
100%
Rate breakdown
9903.04.60100%Pharmaceuticals: patented pharma articles — 100% floor rate
9903.05.860%Universal product exemption (U.S. note 52(b))
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
• Verify API meets cGMP standards with full batch testing certificates
• Include end-user statements for legitimate medical research or manufacturing
• Avoid bulk packaging over 25kg to prevent special handling surcharges