Quinine Sulfate Dihydrate USP from China
Quinine sulfate, a salt of the cinchona alkaloid, used in antimalarial drugs and tonic water. Falls under HTS 2939.80.00 as an alkaloid salt derivative, classified with the parent alkaloid per Chapter 29 salt rules.
Duty Rate — China → United States
44%
Rate breakdown
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 to this subchapter
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
Import Tips
• FDA drug master file required for USP grade; common error is missing polymorph specification
• Declare dihydrate form explicitly (CAS 6119-70-6) to match HTS chemical definition
• Stability data mandatory for pharma imports; avoid moisture exposure in transit