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Quinine Sulfate Dihydrate from Mexico

Quinine sulfate dihydrate is a salt of quinine, a natural alkaloid extracted from the bark of the cinchona tree (vegetal origin). It is primarily used as an antimalarial drug and for treating leg cramps. Classified under HTS 2939.79.00.00 as a derivative (salt) of a vegetal alkaloid not specifically covered elsewhere in heading 2939.

Duty Rate — Mexico → United States

100%

Rate breakdown

9903.04.60100%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter

Import Tips

Provide certificates of analysis confirming purity and vegetal origin to meet Chapter 29 requirements

Comply with FDA import regulations for pharmaceuticals, including prior notice via ACE system

Avoid misclassification as synthetic by documenting natural extraction process from cinchona