Cinchonine Hydrochloride from Canada
Cinchonine hydrochloride is the hydrochloride salt of cinchonine alkaloid from cinchona bark, used as a precipitating agent and in resolution of racemates. Classified HTS 2939.20.0050 as other cinchona salt derivative. High purity for laboratory use.
Duty Rate — Canada → 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
• Supply optical rotation data [+228° to +234°] confirming natural L-cinchonine
• Include batch-specific impurity profile (<0.5% cinchonidine)
• Declare intended laboratory vs pharmaceutical use for proper documentation