Quinine Base (from Salts) from China
Quinine alkaloid liberated from its salts, appearing as a white amorphous powder with characteristic bitter taste. While the base itself may have different classification, bulk quinine derived from approved salts maintains HTS 2939.20.00.10 status under alkaloid provisions.
Duty Rate — China → 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
• Confirm conversion yield documentation from salt to base; ensure no solvent residues violating Chapter 29 purity notes; test for optical rotation confirming natural source