DL-Norephedrine Sulfate from Canada
DL-norephedrine sulfate is the sulfate salt of the racemic norephedrine alkaloid, reproduced by synthesis from ephedra derivatives. Falls under HTS 2939.44.00.00 as a salt of norephedrine per Chapter 29 provisions for alkaloid derivatives. Used in research and veterinary decongestant formulations.
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
• Provide chiral purity analysis if claiming specific enantiomer; ensure veterinary vs human use documentation
• Sulfate salts may require additional stability testing certificates