Demeclocycline Hydrochloride from Canada
Demeclocycline hydrochloride, a tetracycline derivative salt, is used for hyponatremia and certain infections. Classified in HTS 2941.30.00.00 as it matches the heading for tetracyclines, their derivatives, and salts thereof.
Duty Rate — Canada → United States
100%
Rate breakdown
9903.04.60100%Pharmaceuticals Annex IV: 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
• Document synthetic pathway to confirm derivative status per Chapter notes
• Conduct stability testing under ICH guidelines for import validation
• Avoid any therapeutic claims on labeling to preserve chemical classification