Quinine Hydrochloride Dihydrate from Mexico
The dihydrate form of quinine hydrochloride, providing two water molecules per salt unit for enhanced stability in humid conditions. Classified as HTS 2939.20.00.10 following Chapter 29 rules for alkaloid salts, whether hydrated or anhydrous.
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
• Specify hydrate water content in technical specs; validate against ICH stability guidelines; prevent moisture ingress during ocean freight