Quinine Sulfate Dihydrate from Mexico
Quinine sulfate dihydrate is a salt derivative of the cinchona alkaloid quinine, used primarily as an antimalarial medication. It falls under HTS 2939.20.0050 as a derivative salt of cinchona alkaloids, specifically classified as 'other' within this subheading. This pure chemical compound is supplied for pharmaceutical manufacturing.
Duty Rate — Mexico → 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
• Obtain FDA approval and provide Certificate of Analysis confirming purity >98% as required for pharmaceutical precursors
• Include detailed chemical structure documentation to verify classification under cinchona alkaloids vs other alkaloids
• Ensure proper DEA registration if final product requires controlled substance handling