Quinine Sulfate USP Grade from Mexico
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 — 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
• Supply current USP/EP certificates with each shipment; segregate from cinchonine/quinine mixtures; use HTSUS advisory rulings for purity threshold confirmation