Quinine Ethyl Carbonate from Japan
Quinine ethyl carbonate is an ester derivative of quinine alkaloid from cinchona, historically used in tonic water and pharmaceuticals. HTS 2939.20.0050 covers this as other cinchona derivative. Less common but still commercially available.
Duty Rate — Japan → United States
0%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Provide esterification verification via IR spectroscopy (carbonyl at 1750 cm⁻¹)
• Declare ethanol content to confirm ethyl vs methyl carbonate
• Include stability data as ester more prone to hydrolysis than salts