Quinine Sulfate USP Grade from Canada
Pharmaceutical grade quinine sulfate meeting USP monograph standards for use in bulk drug manufacturing. This pure quinine salt is specifically covered by HTS 2939.20.00.10 as a natural alkaloid salt under Chapter 29 provisions for chemically defined compounds.
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
• Supply current USP/EP certificates with each shipment; segregate from cinchonine/quinine mixtures; use HTSUS advisory rulings for purity threshold confirmation