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Quinine Sulfate Dihydrate USP from Japan

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 — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter

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